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					                                                  Teachers Edition
                                                                   Chapter 4




Copyright © by SPOTS Educational Resources. All rights reserved.
                                                     CHAPTER FOUR
    In this chapter , students learn about the “teen numbers”: numbers 11 to 19. They are shown that these numbers have a
“ten” and “pieces” (in this chapter we call the ones “pieces”). These numbers are represented by Teen Dot Cards that have one
complete ten-frame and a second frame with the ones. The students learn to understand the value of, to recognize, and to
write the teen numbers.
   The chapter continues with adding to larger sums. First the students will solve equations that have ten as an addend (e.g.,
10+4). Then they will solve equations that have a teen number as an addend (e.g., 14+3). These equations are shown on Teen
Dot Boards. The first group of addends is shown with black counters, and the second group of addends is shown with white
counters. The teacher models the process while the students practice, using their own materials.
   Next are taught other addition equations with sums higher than ten (e.g., 9+5, 6+6). These are solved by splitting the
second addend to complete the ten, and then adding the remainder to find the sum (e.g., 9+5 is solved by adding one to
complete the ten, and adding the remaining four, for a sum of 14, or: 9+5=9+1+4.).
    The class learns and practices this concept by playing games that involve completing tens and seeing how many are left over.
Then the teacher shows the process on Teen Dot Boards. The first addend is shown with black counters placed on the left side of
the card, and the second addend with white counters placed on the right side of the card. The teacher turns some white counters
to their black side to complete the ten, sees how many more there are, and finds the total, while describing his/her thinking
process. A “thinking number sentence” is written to show what was done. Thus, 9+5 is modeled on a Teen Dot Board with nine
black counters on the left side and five white counters on the right side. One white counter is turned to its black side to complete
the ten, and four are left white. The sum, 14, is easy to see. The teacher describes the thinking process and writes the numbers 1
and 4 under the five in the equation. This skill is applied to similar equations that have 6, 7, 8, and 9 as their first addends.
   The class adds the Teen Addition Dot Cards to their Dot Card collection, and these are reviewed daily. On the Teen Addition
Dot Cards, the dots that are needed to complete the ten are shaded in. The students practice their new skills, first using their
Teen Dot Boards and counters, and then through the exercises in their math books.
   The students are taught to show this addition process on an open number line, by making two “jumps” on the number line.
The first jump shows the amount added to complete a ten, and the second jump shows the amount left, to reach the final sum.
    The commutative property of addition (i.e., that addends may be added in any order without changing the sum) is applied
in this chapter. With this skill, the students can visualize the same Dot Card for equations with the same addends (e.g., 8+5 and
5+8 are shown by the same Teen Addition Dot Card). Money concepts – combinations of a dime, nickels and pennies – and
math stories are used to reinforce and apply the skills learned.


      4       Introduction to Chapter 4

 GOAL:
                                               CONCEPT DEVELOPMENT:
                                               Hand out a strip of ten “button” candies to the class, and one additional strip
 Students will be given a preview of
                                               with between one and ten candies to each child. Count the number of candies
                                                                                                                                                         Copyright © by SPOTS Educational Resources. All rights reserved.
 Chapter 4: recognizing and adding
 numbers 11-19.                                on the “ten strip” together. Have each child count the number on his/her smaller
 MATERIALS NEEDED: button                      strip, and then have them count the candies on the two strips together. Say: If
 candies: strips of ten candies and            you have 11 candies, raise your hand. [Ask one of the students with 11 candies
 strips of 1-9 candies, enough for             to describe how the eleven is formed. Continue in this way until you reach 19
 each student; small dolls: a group            candies.]
 of ten dolls together, and ten
                                               Place the large Teen Dot Cards, in numerical order, on the board. Explain that
 individual dolls (you may use paper
 cutouts)                                      they show the same numbers: ten and more – which we will call “ten and pieces.”
                                                Allow the students to eat the ten-candy strip, and divide the rest of the candies
                                                fairly for them to eat.
116
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                                                                                                                                                                                                “Winter”
                                                                                                                                                                        One cold winter day
                                                                                                                                                                        Ten girls were playing in the snow.
                                                                                                                                                                        Two girls came and asked: “Can we join and play?”
                                                                                                                                                                        Eleven, twelve- together they go!

                                                                                                                                                                        Twelve girls were playing in the snow.
                                                                                                                                                                        Two more girls came and asked: “Can we join and play?”
                                                                                                                                                                        Thirteen, fourteen- together they go!

                                                                                                                                                                        Fourteen girls were playing in the snow.
                                                                                                                                          Student Workbook page         Two more girls came and asked: “Can we join and play?”




                                                                                                                                                                                                                                 Student Workbook page
                                                                                                                                                                        Fifteen, sixteen - together they go!

                                                                                                                                                                        Sixteen girls were playing in the snow.
                                                                                                                                                                        Two more girls came and asked: “Can we join and play?”
                                                                                                                                                                        Seventeen, eighteen - together they go!

                                                                                                                                                                        Eighteen girls were playing in the snow.
                                                                                                                                                                        Two more girls came and asked: “Can we join and play?”
                                                                                                                                                                        Nineteen, twenty - together they go!




                                                                                                                                      107 107                     108                                                            108



                                                                   USING THE BOOK: Pages 107-108
                                                                   Page 107: What do you see on the page? [As the students answer, explain each part:]                           INTRODUCTORY STATEMENT:
                                                                   In what season does it snow and we can build snowmen? [winter] What season are we in                          So far, we’ve learned about numbers
                                                                                                                                                                                 one to ten. In Chapter 4 we will learn
                                                                   now?
                                                                                                                                                                                 about the teen numbers.
                                                                   Read the numbers in the upper left-hand corner. Point out that all these numbers have
                                                                   two digits. The first digit of each number is a one. Explain that these can be called “teen
                                                                   numbers.”
                                                                   The purse has a new coin in it: the dime. The dime is worth ten cents. Count the value of the                     THINKING TRIGGER:
                                                                   group of coins.                                                                                               Which numbers do you think are
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                   The cards are Teen Dot Cards. They show us the teen numbers. Can you figure out what                          called the “teen numbers”? [Suggest
                                                                   numbers the cards show?                                                                                       looking at the number line or
                                                                                                                                                                                 hundred chart for help.]
                                                                   On the bottom is a teen addition card. [Place a 16 Teen Dot Card on the board. Tell the class
                                                                   that the card shows 16. Add three white counters. Ask:] How many are there altogether?
                                                                   [19] [Find the equation in the book, and read it to the class.]                                               CLOSING STATEMENT:
                                                                   The number line shows the same number sentence: 16+3=19.                                                      We are gong to learn all this in
                                                                   Page 108: Read the poem and discuss it with the class. Use a group of ten dolls and                           Chapter four!
                                                                   additional, individual dolls to model the story.

                                                                                                                                                                                                                                 117
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     4:1       Chapter 4 Lesson 1: Recognizing Numbers 11-19

                                                 A NOTE TO THE TEACHER: Since this lesson is a continuation of the
 GOAL:
                                                 introduction to the chapter, there are differences in its format.
 Students will be introduced to the
 base-10 number system as it applies           CONCEPT DEVELOPMENT:
 to the teen numbers.
                                               Show the class thirteen magnetic counters. Count them together and place ten
 MATERIALS NEEDED: blank dot                   counters on a blank Dot Board. Have the class do the same: count out thirteen
 board; blank double dot boards
                                               counters and place ten counters on a blank Dot Board.
 (large ones and for students)
 magnetic    counters;  student                Point to the group of ten and explain that we can call this a “ten.” Show the
 counters                                      leftover counters and explain that we will call them “pieces.” Together, count the
                                               “pieces” to see that everyone has the same amount. Point out that these are like
                                               the button candies they ate before – a group of ten candies and some more.
 INTRODUCTORY STATEMENT:                       Say: How do we write thirteen? [1 and 3] [Write the number 13 on the board.] We
 Now we will start our new chapter.            write a 1 because we have 1 ten, and we write a 3 because we have 3 pieces. That
 Today we will learn how to read teen          makes thirteen in all. [Point to the digits as you speak. Gesture with your hand
 numbers, and also how to write and            around the number to show that the two digits together become one number
 show teen numbers.                            that represents thirteen]
                                               Repeat with the number 16.
                                               Write the number 14 on the board. Ask the class how you can show it with your
                                               counters. Show it with your “ten” and four pieces, and have the class do the same
                                               with their counters. Remove the four pieces.
Write the numeral 17 on the board. Ask how you can show that number using the ten-board and counters. Have the students
do the same with their ten-boards and counters. Do this again with 19.
Display a blank double dot board. Explain that we can use this to show teen numbers in a clear way. Show eighteen magnetic
counters. Organize the eighteen counters on the Dot Board and explain that you are filling the ten and then the pieces. Ask
how many tens and pieces there are, and point out that it is now easier to see what the number is. Hand out the blank double
dot boards to the class.
Draw a chart with three columns. Label the columns tens, pieces, and number. Ask the class to put a ten and three pieces on
their boards. Ask them to tell how many tens, how many pieces, and what number it shows. Fill in the chart. Repeat with 15,
17, and 12.
 tens      pieces    number
 1         3         13
 1         5         15
Write teen numbers on the chart, read them, and have the class use counters to show the numbers on their blank double dot
                                                                                                                                                        Copyright © by SPOTS Educational Resources. All rights reserved.
boards. For each number, ask the class to tell you how many tens and how many pieces there are, and write it on the chart.
As you fill in the chart, ask: What do you see that’s the same in all these numbers? [they each have a one] Why? [because they each
have 1 ten!] What does the second number tell us? [the number of pieces]
Continue in this way with additional teen numbers until the pattern is clear to the students. Be sure to include the number 10
(one “ten” and zero “pieces”).
Review the chart. For each number, read, for example, “One ten and seven pieces [Point to the digits as you speak]; seventeen
in all.”
Show the class the Teen Dot Cards.

104
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                                                                                                                   Recognizing Numbers 11-19
                                                                          Write the tens, pieces and total number for each Dot Card.                                       Write the tens, pieces and total number for each Dot Card.
                                                                             1.                               2.
                                                                                                                                                                                 1.                             2.




                                                                                                                                                                                Tens   Pieces        Number   Tens    Pieces   Number
                                                                                   Tens   Pieces   Number           Tens   Pieces   Number

                                                                                                                                                                                 3.                             4.
                                                                             3.                               4.



                                                                                                                                                                                Tens    Pieces       Number   Tens    Pieces   Number

                                                                                   Tens   Pieces   Number           Tens   Pieces   Number       Student Workbook page     Write all ways to make 10. You can use counters to help.




                                                                                                                                                                                                                                        Student Workbook page
                                                                                                                                                                                       1.
                                                                                                                                                                                                 +       =       2.
                                                                                                                                                                                                                        +      =
                                                                             5.                               6.
                                                                                                                                                                                       3.
                                                                                                                                                                                                 +       =       4.
                                                                                                                                                                                                                        +      =
                                                                                                                                                                                       5.
                                                                                                                                                                                                 +       =       6.
                                                                                                                                                                                                                        +      =
                                                                                   Tens   Pieces   Number           Tens   Pieces   Number
                                                                                                                                                                                       7.
                                                                                                                                                                                                 +       =       8.
                                                                                                                                                                                                                        +      =
                                                                                                                                                                                       9.
                                                                                                                                                                                                 +       =      10.
                                                                                                                                                                                                                        +      =
                                                                                                                                             109 109                     110                                                            110




                                                                   CONCLUSION:
                                                                   Now we’ve learned how to show bigger numbers on our Dot Cards.

                                                                   USING THE BOOK: Pages 109-110
                                                                   Page 109: Read the directions. For the first few examples, place a sample Teen Dot Card on the board showing each example’s
                                                                   number, and ask the students to tell how many tens, how many pieces, and the total number. Write the answers on the board
                                                                   under the Teen Dot Card and have the class fill it in, in their books. The page can be completed independently and reviewed
                                                                   together.
                                                                   Page 110: For each section, read the directions and have the students complete the
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                   section on their own. Review the page together.                                                                                       CLOSING STATEMENT:
                                                                                                                                                                                                         Who can tell us what we learned
                                                                                                                                                                                                         today? [Accept relevant answers.]
                                                                                                                                                                                                         Today we used Teen Dot Cards to
                                                                                                                                                                                                         show numbers 11-19. We learned
                                                                                                                                                                                                         to show a ten and pieces for each
                                                                                                                                                                                                         number. Tomorrow we will learn
                                                                                                                                                                                                         more about this.



                                                                                                                                                                                                                                        105
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   4:2         Chapter 4 Lesson 2: Practice: Numbers to 19

 GOAL:
                                             CONCEPT DEVELOPMENT:
                                             Place Dot Cards 11-19 on the board in a line. Show number cards 11-19 to the
 Students will reinforce their
 understanding of teen numbers               class and have them tell you under which Dot Card to place each one.
 and the base-10 system.                     Choose a teen number card, and write the number on the board. Ask the students
 MATERIALS NEEDED: Popsicle                  which digit shows the “ten,” and circle it in red. Ask which shows the amount of
 sticks: 19 for each student; rubber         “pieces,” and circle that in blue. Repeat this several times with different numbers.
 bands; poster boards Drop- Its
                                             Have the students fold a paper in four, cut on the folds, and write a teen number
 handout #1
                                             of their choosing on each piece. In random order, call a number by telling the
                                             amount of tens and pieces. The students with that number are to raise up the
                                             correct paper for everyone to see. For example, you may call, “One ten and three
 QUICK PRACTICE:
                                             pieces.” Any student who wrote “13” raises the paper with that number on it. Be
 Drop-Its: Pass out the Drop-Its             sure to say all the numbers.
 handout. Flash the Teen Dot Cards.
 Have the students write the correct         Distribute nineteen popsicle sticks and a rubber band to each student. Count
 number on their worksheets. Check           the sticks together to check that each student has the correct amount. While
 the students’ work.                         you model, have the children count ten sticks and wrap them in a rubber band.
)) Remember to show each card for only one   This group is the “ten.” Count the number of sticks that are left. Explain that these
   second!
                                             are the “pieces.” (This activity may be done with colored matchsticks and small
                                             rubber bands instead.)
                                             Write the number “13” on the board. Read the number, and ask the class to show
 INTRODUCTORY STATEMENT:                     this number with sticks. Lead them to conclude that they can use their “ten” and
 Yesterday we used Dot Cards to show         three pieces.
 numbers 11-19. Today we will learn
 more about these numbers.
                                             Repeat this with additional numbers.
                                             Remind the class of the even-odd rule: in even numbers, the dots all have
                                             a partner, and in odd numbers, one dot is alone. Use the 1-10 Dot Cards to
                                             demonstrate. Present the Teen Dot Cards. Explain that the ten in the number
    THINKING TRIGGER:
                                             doesn’t change anything. Circle the even-number Dot Cards in one color and
                                             the odd-number Dot Cards in another color. Point out the pattern (every other
 Place the Teen Dot Cards on the
                                             number is even/odd).
 board in two groups. In one group
 place the even numbers, and in
 the other group place the odd               STUDENT TEACHER:
 numbers. Ask: Can anyone think of           Divide the class into large groups. Give each group a poster board, and have
 why I divided the cards in this way?        each group list the numbers from 10 to 19 on their board and to paste their
 What is the same in each group?
                                             sticks onto it to show the teen numbers. Hang the posters in a prominent place
                                                                                                                                                      Copyright © by SPOTS Educational Resources. All rights reserved.
                                             in your classroom.

                                             CONCLUSION:
                                             Now we know a lot about the teen numbers.




106
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                                                                                                                   Practice: Numbers To 19
                                                                                                                                                                               Write the number.
                                                                                                                    = 10 Candies
                                                                                                                                                                                     1.                             2.                       3.
                                                                          Write how many.                                                                                                 Thirteen                   Fourteen                Seventeen
                                                                          1.                       2.                             3.
                                                                                                                                                                                     4.                             5.                       6.

                                                                                                                                                                                        Nineteen                     Twelve                  Eighteen
                                                                                                                                                                                     7.                             8.                       9.
                                                                          4.                       5.                             6.
                                                                                                                                                                                          Eleven                     Sixteen                  Fifteen


                                                                                                                                                                               Fill in the missing numbers.
                                                                                                                                                                               Color each box that has and even number.
                                                                          Draw the missing candies for each teen number.                                                       10.
                                                                          7.                       8.                             9.
                                                                                                                                                     Student Workbook page                    11                            15          17




                                                                                                                                                                                                                                                                Student Workbook page
                                                                                                                                                                               11.                           12.                     13.
                                                                                     19                       14                            11                                             ___Tens                       ___Tens              ___Tens
                                                                                                                                                                                   15      ___Pieces           16        ___Pieces     12     ___Pieces
                                                                          Circle the number that shows how many pieces .
                                                                               10.                   11.                    12.
                                                                                     16                     14                         19

                                                                          Circle the number that shows how many tens .                                                                    13 What does the 13 tell me?
                                                                                                                                                                                             What does the tell me?
                                                                                                                                                                                                                                 17 What does the 17 tell me?
                                                                                                                                                                                                                                    What does the tell me?
                                                                               13.                  14.                     15.
                                                                                     17                     13                         18
                                                                                                                                                 111 111                     112                                                                                112




                                                                   USING THE BOOK: Pages 111-112
                                                                   Page 111: Look at the top of the page together, read and discuss the candy roll. Explain that it holds ten candies and that it is
                                                                   just like a “ten.”
                                                                   For each section, read and explain the directions. Have the students complete the sections on their own while you offer help
                                                                   as needed. Review the page together.
                                                                   Page 112: Examples1-9: Read each number word and allow time for the children to write the number in digits.
                                                                   Example 10: Read the directions and have the class complete the number line independently.
                                                                   Examples 11-12: Ask the students to think of what needs to be done here. Explain the
                                                                                                                                                                                                                         CLOSING STATEMENT:
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                                                                   directions, and have the students complete this section on their own.
                                                                                                                                                                                                                         Who can tell us what we learned
                                                                   Bottom of the page: Read and discuss each example.                                                                                                    today? [Accept relevant answers.]
                                                                                                                                                                                                                         Today we learned and practiced
                                                                                                                                                                                                                         numbers 11-19. We learned about
                                                                                                                                                                                                                         odd and even teen numbers, and we
                                                                                                                                                                                                                         practiced tens and pieces. Tomorrow
                                                                                                                                                                                                                         we will learn to order and compare
                                                                                                                                                                                                                         teen numbers!




                                                                                                                                                                                                                                                                107
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   4:3         Chapter 4 Lesson 3: Ordering and Comparing Numbers to Nineteen

 GOAL:
                                             CONCEPT DEVELOPMENT:
                                             Place number cards 1-19 on the board so that you have a line of numbers 1-19.
 Students will order and compare
 numbers to nineteen                         Read the numbers together.
 Students will identify the teen             Show Dot Cards 1-19 to the class and have them tell you under which number
 numbers as odd or even numbers.             card to place each one.
 Students will count by twos to 20.          Point to various number cards and/or Dot Cards and ask which one is greater
 MATERIALS NEEDED: number                    or less. Point out that the teen numbers are always greater than the single digit
 cards 1-20; small snacks; stickers;         numbers because they have a ten in them.
 strips of paper
                                             Ask the class to tell you which numbers are odd and circle them in one color, and
                                             which are even and circle them in another color.
                                             Pass out number cards 1-20 in random order to twenty students standing in a
 QUICK PRACTICE:
                                             line. Help the children who did not receive a number move the other students
 Flash the Teen Dot Cards. Have the          until they are standing in numerical order.
 class identify each one in unison.
                                             Together, count from one to twenty. As you count, have the child who has that
)) Remember to show each card for only one
   second!                                   number raise it up.
                                             Tell the class that now you will count in a different way: you will “skip count” and
                                             count by two’s. Count by two’s and have the child whose number you say jump
                                             up as you count. After you count, ask the children whose number you did not
 INTRODUCTORY STATEMENT:
                                             say to place their cards on your desk and those who you did say to place their
 So far we learned to recognize the
                                             cards on the board.
 teen numbers and the Teen Dot Cards.
 Today we will do different things with      Together with the class practice counting by two’s by chanting, showing the
 these numbers.                              numbers on the board, with fingers, on Dot Cards, etc.
                                             Pass out 20 small snacks (cereal, carrot pieces, peanuts, etc.) to each child. Model
                                             counting the items by two’s and then have the children do the same.
                                             Place number cards 1-20 on the board in numerical order.
    THINKING TRIGGER:
                                             STUDENT TEACHER:
 Write numbers 9 and 13 on the
 board. Ask: Which of these numbers          Divide the class into groups of five. Give each group a strip of paper and give
 is greater? How can you tell?               each child four stickers. Have each child take turns pasting rows of two stickers
                                             so that there are ten rows of two stickers each. Next to each row, have him/her
                                             write the number of stickers there are. Have each group show their strip to the
                                             class and count the stickers by two’s.

                                                                                                                                                      Copyright © by SPOTS Educational Resources. All rights reserved.
                                             You can paste all the strips to a poster board, label it “We can count by two’s” and
                                             hang it on your math bulletin board.

                                             CONCLUSION:
                                             Now we know which number is greater, to count in order from 1-20 and how to skip-
                                             count by two’s.




108
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                                                                                         Ordering And Comparing Numbers To 19
                                                                          Connect the dots from 1 to 19.                                                                    Color the mitten that has the number that is greater .
                                                                                                                                                                                  1.                      2.                   3.

                                                                                                                                                                                       13       16             19   18              9    11
                                                                                                                                                                                Color the mitten that has the number that is less .
                                                                                                                                                                                  4.                      5.                   6.

                                                                                                                                                                                       15       12             14   17              8    13
                                                                                                                                                                            Color the mitten that has the odd number.
                                                                                                                                                                                  7.                      8.                   9.

                                                                                                                                                                                       18       11             17   12              14   19

                                                                                                                                                                            Color the mitten that has the even number.
                                                                                                                                                  Student Workbook page




                                                                                                                                                                                                                                                   Student Workbook page
                                                                                                                                                                                 10.                     11.                  12.
                                                                          Write the number before and the number after.
                                                                          1.                      2.                       3.                                                          16       13             14   15              12   19
                                                                                   11                       15                        17
                                                                                                                                              ¢                             Count by 2’s.
                                                                          4.                      5.                       6.

                                                                                    14                      18                        10                                         2          4        8                   14                   20
                                                                                                                                           113 113                        114                                                                      114




                                                                   USING THE BOOK: Pages 113-114
                                                                   Page 113: Connect the Dots: Read the directions. If necessary, remind the class how to complete this. Give help as needed.
                                                                   Examples 1-6: Read the directions. Do the first two examples together. Refer to the number line on the board. Have the class
                                                                   complete the section on their own while you offer help as needed. Review the page together.
                                                                   Page 114: Read each set of directions together. Do the first example in each section and have the class complete it on their
                                                                   own. Review together.
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                                                                                                                                                                                                                CLOSING STATEMENT:
                                                                                                                                                                                                                Who can tell us what we learned
                                                                                                                                                                                                                today? [Accept relevant answers.]
                                                                                                                                                                                                                Today we learned to tell which
                                                                                                                                                                                                                number is greater and which is less,
                                                                                                                                                                                                                to put the numbers in order and to
                                                                                                                                                                                                                count by two’s. Tomorrow we will
                                                                                                                                                                                                                learn addition.




                                                                                                                                                                                                                                                   109
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   4:4         Chapter 4 Lesson 4: Adding to an Addend of Ten

 GOAL:
                                             CONCEPT DEVELOPMENT:
                                             Place a blank Teen Dot Card on the board. Refer to the equation 10+4=___ and
 Students will solve addition
 equations in which one addend is            ask: How can we show this equation on the Teen Dot Card? [Have students direct
 ten.                                        you to place ten black counters and four white counters on the card.] What
 MATERIALS NEEDED: equation                  number does this look like? [14] [Write the sum, show the class Dot Card 14, and
 cards with addition equations that          compare.]
 have ten as an addend                       In a similar way, write, show, and solve other addition equations that have ten as
                                             an addend.
                                             Now I will tell a math story. I have ten crayons and my friend has five crayons. How
 QUICK PRACTICE:                             many do we have in all? What is the number sentence? [Write 10+5=___ on the
 Drop-Its: Pass out the Drop-Its             board.] What is the answer? [Write 15 , and fill in the sum.]
 handout. Flash the Teen Dot Cards.          In the same way, tell other math stories that have ten as an addend.
 Have the students write each
 number on their papers. Check the           Clear the board. Place a blank Teen Dot Board on the board. Place ten black and
 students’ work.                             four white counters on the board. Draw an open number line. Ask: How can we
)) Remember to show each card for only one   show this equation on the number line? Which number shall I start with? [With the
   second!                                   class’s assistance, fill in the number line.] What is the number sentence for this?
                                             [Write 10+4=14 on the board.]
                                             In a similar way, display other adding-to-ten equations on Dot Boards, and show
 INTRODUCTORY STATEMENT:                     the equations on open number lines.
 Yesterday we practiced ordering and
 comparing numbers to 19. Today we           STUDENT TEACHER:
 will learn how to add ten and another
                                             Ask two students to come to the board. Have one student choose an addition
 number.
                                             equation card learned in this lesson and tell a math story with the card. Have the
                                             other student explain how to solve it using an open number line.

                                             CONCLUSION:
    THINKING TRIGGER:                        We learned to add two numbers when one of those numbers is a ten.
 Write the equation 10+4=___ on
 the board. Read the equation and
 ask: What do you think the sum is?
 How did you figure that out?




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110
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                                                                                                                   Adding To Ten
                                                                          Write the addition sentence for each Dot Card.                                                Add. Complete the number line.
                                                                                                                                                                            1.
                                                                           1.                                 2.                                                                                        10 + 2 =
                                                                                                                                                                                                   +2
                                                                                                                                                                                              10
                                                                                                                                                                            2.
                                                                                                                                                                                                        10 + 6 =
                                                                                      +         =                                     =                                                                  +6
                                                                           3.                                 4.                                                                              10
                                                                                                                                                                            3.
                                                                                                                                                                                                        10 + 3 =

                                                                                                =                                     =
                                                                                                                                                                            4.
                                                                                                                                              Student Workbook page




                                                                                                                                                                                                                                   Student Workbook page
                                                                          Solve the story problem.
                                                                          Draw a picture to label your answer.                                                                                          10 + 5 =
                                                                          Then write the number sentence.
                                                                          5.
                                                                                    There are 10   hats in a box.
                                                                                    There are 3   hats on the shelf.                                                        5.

                                                                                    How many     hats in all? ____                                                                                      10 + 9 =

                                                                                                                   =
                                                                                                                                          115 115                     116                                                         116



                                                                   USING THE BOOK: Pages 115-116
                                                                   Page 115: Examples 1-4: Read the directions. Have the students complete the section on their own while you offer help as
                                                                   needed. Review the section with the class.
                                                                   Example 5: Read the directions and the story problem. Have the students fill in the answers on their own, and discuss.
                                                                   Page 116: Read the directions and have the students complete the page on their own while you offer help. Review together.
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                                                                                                                                                CLOSING STATEMENT:
                                                                                                                                                                                                Who can tell us what we learned
                                                                                                                                                                                                today? [Accept relevant answers.]
                                                                                                                                                                                                Today we learned number sentences
                                                                                                                                                                                                that have ten plus another number.
                                                                                                                                                                                                Tomorrow we will learn to add to teen
                                                                                                                                                                                                numbers.



                                                                                                                                                                                                                                 111
                                                                   Copyright © by SPOTS Educational Resources. All rights reserved.
   4:5        Chapter 4 Lesson 5: Adding to Teen Numbers

 GOAL:
                                          CONCEPT DEVELOPMENT:
                                          Place a blank Double Dot Board on the board. Refer to the equation 14+3=___,
 Students will solve addition
 equations in which an addend and         and ask: How can we show this equation on the Teen Dot Card? [Have students
 the sum are teen numbers.                direct you to place fourteen black counters and three white counters on the
 MATERIALS NEEDED: addition               card.] What number does this look like? [17] [Write the sum, show the class Dot
 flash cards; magnetic counters;          Card 17, and compare.]
 students’    wipe-off      number        Write 16+3=___ on the board. Place Dot Card 16 next to the equation, and ask
 sentence boards; addition equation
                                          the class how to show the number sentence. Place three white counters on the
 cards with equations learned in this
                                          card, ask the class how many there are altogether, and write the sum.
 lesson
                                          Continue with additional equations. Ask the class with which Dot Card to start,
                                          and how many white counters to add. Ask how many there are altogether, and
 QUICK PRACTICE:
                                          fill in the sum.
 Drop-Its: Pass out Drop-Its handout
                                          Using black and white counters, form Addition Dot Card 15+3 on the board. Ask
 #3. Flash 10-15 Addition flash Cards.
                                          the class to tell you its number sentence.
 Have the students write the answers
 on their papers. Check the students’     Repeat this with additional Teen Addition Dot Cards. Have the class write the
 work.                                    equations on their wipe-off number sentence boards.
                                          Note: When presenting equations make sure your second addend is less than
 INTRODUCTORY STATEMENT:                  the number of “pieces” in your teen number. i.e. present 16+2 and not 12 + 6.

 Yesterday we added ten plus another      STUDENT TEACHER:
 number. Today we will add to teen
 numbers.                                 Have students, in turn, choose an equation card learned in this lesson and solve
                                          it using Dot Cards. Have each student explain what he/she is doing and why.

                                          CONCLUSION:
    THINKING TRIGGER:                     Today we learned to add to teen numbers.
 Write the equation 14+3=___ on
 the board. Ask: What do you think
 this Addition Dot Card will look like?




                                                                                                                                                 Copyright © by SPOTS Educational Resources. All rights reserved.




126
                                                                              Copyright © by SPOTS Educational Resources. All rights reserved.
                                                                                                                Adding To Teen Numbers
                                                                          Add. Fill in the number sentence.                                                            Fill in the number sentence.
                                                                             1. Add 2 dots.                   2. Add 4 dots.                                               1.                         2.




                                                                                                 =                                =                                                       =                         =
                                                                             3. Add 4 dots.                   4. Add 3 dots.                                               3.                         4.




                                                                                                 =                                =                                                       =                          =
                                                                                                                                             Student Workbook page




                                                                                                                                                                                                                                      Student Workbook page
                                                                                                                                                                           5.                         6.
                                                                             5. Add 2 dots.                   6. Add 3 dots.




                                                                                                 =                                =                                                      =                          =
                                                                                                                                         117 117                     118                                                             118



                                                                   USING THE BOOK: Pages 117-118
                                                                   Page 117: Read the directions. Review example 1 together. Have the students complete the page on their own while you offer
                                                                   help as needed. Review the page together.
                                                                   Page 118: Read the directions. Ask a student to explain what needs to be done, and have the students complete the page on
                                                                   their own while you offer help. Review together.
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                                                                                                                                                 CLOSING STATEMENT:
                                                                                                                                                                                                 Who can tell us what we learned
                                                                                                                                                                                                 today? [Accept relevant answers.]
                                                                                                                                                                                                 Today we learned to add to teen
                                                                                                                                                                                                 numbers. Tomorrow we will learn
                                                                                                                                                                                                 more about this, plus a trick that will
                                                                                                                                                                                                 help us add to teen numbers more
                                                                                                                                                                                                 quickly.



                                                                                                                                                                                                                                    127
                                                                   Copyright © by SPOTS Educational Resources. All rights reserved.
   4:6       Chapter 4 Lesson 6: Adding Single Digits and Adding to Teen Numbers

 GOAL:
                                       CONCEPT DEVELOPMENT:
                                       Refer to the first addition equation pair on the board (14+3 and 4+3). Place
 Students will use what they know
 about adding single-digit numbers     corresponding Addition Dot Cards next to the equations, and compare them.
 to solve equations with a teen        (Make the 14+3 card using counters.) Ask: What is the same about these two
 addend.                               Addition Dot Cards? [They have the same number of pieces.] What is different?
 MATERIALS NEEDED: Drop-Its            [The first card also has a “ten.”] Let’s find the sum of each. [Write each sum next to
 handout #3; Addition Flash Cards;     its equation.] The sums are also similar. They each have seven pieces, but the first
 magnetic counters; sheets of paper    number sentence has a ten, so it equals 17.
                                       In the same way, use Dot Cards to solve and compare the second equation pair
                                       (16+1 and 6+1).
 QUICK PRACTICE:
                                       Refer to the equation 15+2 in the third equation pair. Say: I am going to use what
 Drop-Its: Pass out Drop-Its handout   I know to solve this number sentence. [Point to the equation 5+2.] I know that 5+2
 #3. Flash 10-15 Addition Flash        equals seven. [Write 7 next to the equation.] I know that 15+2 is similar, but it has a
 Cards. Have the students write the
                                       ten. So if 5+2=7, then 15+2 =17. [Use Dot Cards to show the equations.]
 answers on their papers. Check the
 students’ work.                       Write additional equation pairs, and solve them while describing your thinking
                                       process, as above.

                                       STUDENT TEACHER:
 INTRODUCTORY STATEMENT:
                                       Divide the class into pairs. Hand out sheets of paper. Have each pair choose
 Yesterday we added to teen numbers.
                                       some teen addition equations, write the addition pairs, and solve the equations
 Today we will learn to use what we
 already know about adding to help     while explaining their thinking processes to their partners.
 us add teen numbers more quickly.     You may hang these papers on your math bulletin board.

                                       CONCLUSION:
                                       Today we learned a way to help us add to teen numbers.
   THINKING TRIGGER:
 Write equation pairs on the board:
 14+3 and 4+3; 16+1 and 6+1; 15+2
 and 5+2. Ask: What is similar about
 these equations? [Do not solve the
 equations.]




                                                                                                                                                 Copyright © by SPOTS Educational Resources. All rights reserved.




128
                                                                              Copyright © by SPOTS Educational Resources. All rights reserved.
                                                                                           Adding Single Digits And Adding To Teen Numbers
                                                                          Match. Write the sum.                                                                                 Add. Complete the number line.
                                                                                                                                                                                    1.
                                                                          1.                                   2.                                                                                            15 + 4 =
                                                                               6+ 3=                            17 + 2 =                                                                                      +4
                                                                                                                                                                                                      15
                                                                               16 + 3 =                             7+ 2=
                                                                                                                                                                                    2.
                                                                          3.                                   4.
                                                                                                                                                                                                                16 + 3 =
                                                                               15 + 3 =                             14 + 2 =
                                                                                                                                                                                                             +3
                                                                                                                                                                                                      16
                                                                                5+ 3=                                4+ 2=                                                          3.
                                                                                                                                                                                                                14 + 2 =
                                                                          5.                                   6.
                                                                               15 + 4 =                             5+ 2=
                                                                                                                                                                                                      14
                                                                                5+ 4=                               15 + 2 =                                                        4.
                                                                                                                                                      Student Workbook page




                                                                                                                                                                                                                                         Student Workbook page
                                                                                                                                                                                                                13 + 3 =
                                                                          Add.
                                                                          7.                 8.                9.                10.
                                                                            1             11 3            13 2                 12 2          12
                                                                           __
                                                                           +5             __ __
                                                                                          +5 +6           __ __
                                                                                                          +6 +4                __ __
                                                                                                                               +4 +5         __
                                                                                                                                             +5
                                                                                                                                                                                    5.                     6.
                                                                                                                                                                                             8+ 2=                         6+ 3=


                                                                                                                                                  119 119                     120                                                       120



                                                                   USING THE BOOK: Pages 119-120
                                                                   Page 119: Read the directions. Review example 1 together. Have the students complete the page on their own while you offer
                                                                   help as needed. Point out the change in format from example 7. Review the page together.
                                                                   Page 120: Read the directions. Ask a student to explain what needs to be done, and have the students complete the page on
                                                                   their own while you offer help. Review together.
                                                                     Closing Statement: Who can tell us what we learned today? [Accept relevant answers.] Today we learned that we can think of number
                                                                     sentence pairs to help us add to teen numbers.
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                                                                                                                                                        CLOSING STATEMENT:
                                                                                                                                                                                                        Who can tell us what we learned
                                                                                                                                                                                                        today? [Accept relevant answers.]
                                                                                                                                                                                                        Today we learned that we can think
                                                                                                                                                                                                        of number sentence pairs to help us
                                                                                                                                                                                                        add to teen numbers.



                                                                                                                                                                                                                                        129
                                                                   Copyright © by SPOTS Educational Resources. All rights reserved.
   4:7        Chapter 4 Lesson 7: Adding with Teen Addends

 GOAL:
                                          CONCEPT DEVELOPMENT:
                                          On the board, list the following equations: 4+5; 6+3; 3+6; 5+4. Ask: Which
 Students will apply the commutative
 property of addition to equations        number sentences go together? Why? [Because when we are adding, we can add
 that have a teen addend.                 the numbers in any order and get the same sum.] [Draw a line to connect the
 MATERIALS       NEEDED:         math     equation pairs, or circle them in the same color. Then erase the equations.]
 puzzles                                  On the board, list the following number sentences: 10+4=___; 16+3=___;
                                          11+2=___; 15+4=___. Using Teen Dot Cards and counters, solve them together,
                                          and write the sums.
 QUICK PRACTICE:                          Next to the above equations, list the following number sentences: 3+16=___;
 Drop-Its: Pass out Drop-Its handout      4+10=___; 4+15=___; 2+11=___.
 #3. Flash 10-15 Addition flash Cards.    Read the first equation in the second group of number sentences and ask the
 Have the students write the answers
                                          class: Which of the number sentences that we’ve already solved can help us solve
 on their papers. Check the students’
 work.
                                          this one? Why? [Write the sum.]
                                          If necessary, remind them of the rule they learned earlier: When adding, we can
                                          add the numbers in any order.
                                          In the same way, match and solve the remaining equations.
 INTRODUCTORY STATEMENT:
 Yesterday we learned a way to add to     Draw four number puzzles. With students’ help, fill them in with the equations
 teen numbers. Today we will learn to     on the board.
 use a rule that we learned before to     Draw an additional math puzzle. Fill it with numbers: 15, 12, 3. Ask the class to
 help us add to teen numbers.
                                          help you write two addition sentences for this puzzle.
                                          Do the same with numbers 19, 9, 10.
                                          Draw two additional puzzles, and fill in only the addends (parts): 4, 15 for one
    THINKING TRIGGER:                     puzzle, and 10, 5 for the other, leaving the sum (whole) puzzle piece blank.
 Draw or place on the board a blank
                                          Together with the class, write the two number sentences for each puzzle, and
 math puzzle. Review the parts of the     solve them.
 puzzle (whole, part, part). Challenge
 the class to think of a way to fill in   STUDENT TEACHER:
 the puzzle so that at least one of the   Hang a blank math puzzle on the board. Have a student fill in the puzzle according
 numbers is between 11 and 19.
                                          to the class’s directions, and write two addition sentences for the puzzle. Help
                                          the student explain why various numbers that students suggested are correct
                                          or incorrect for this puzzle.

                                          CONCLUSION:
                                          Today we practiced adding to teen numbers, and we reviewed the rule that when we                        Copyright © by SPOTS Educational Resources. All rights reserved.

                                          add, we can add the numbers in any order.




130
                                                                               Copyright © by SPOTS Educational Resources. All rights reserved.
                                                                                                                     Adding With Teen Addends
                                                                          Complete each math puzzle.                                                                             Add. In each row, color the shovels with the same totals.
                                                                          Write the addition sentences.                                                                          You can use the Dot Cards to help.
                                                                           1.                     2.                       3.


                                                                                    9 10                   4 15                     3 16
                                                                                ___ + ___ = ___         ___ + ___ = ___          ___ + ___ = ___
                                                                                ___ + ___ = ___         ___ + ___ = ___          ___ + ___ = ___
                                                                                                                                                                                       1.            2.             3.             4.
                                                                           4.                     5.                       6.

                                                                                                                                                                                     3 + 4 = __    13 + 4 = __ 4 +10 = __       4 +13 = __
                                                                                   5 10                    2 17                     7 10
                                                                                ___ + ___ = ___         ___ + ___ = ___          ___ + ___ = ___                                            5.            6.             7.             8.
                                                                                ___ + ___ = ___         ___ + ___ = ___          ___ + ___ = ___
                                                                          Add. In each row, circle the scarves with the same totals.
                                                                           7.                      8.                      9.                                                         3 + 6 = __    13 + 6 = __ 6 +13 = __        6 +10 = __
                                                                                  4 + 10 =                12 + 4 =                10 + 4 =
                                                                                                                                                       Student Workbook page




                                                                                                                                                                                                                                               Student Workbook page
                                                                                                                                                                                       9.           10.            11.            12.
                                                                           10.                     11.                     12.
                                                                                 13 + 2 =                15 + 3 =                 3 + 15 =
                                                                                                                                                                                     4 + 3 = __    15 + 3 = __ 3 +15 = __       4 + 10 = __
                                                                           13.                     14.                     15.
                                                                                 16 + 3 =                 14 + 3 =                3 + 16 =                                              13.           14.            15.            16.

                                                                           16.                     17.                     18.
                                                                                  10 + 5 =                5 + 10 =               10 + 4 =                                             5 + 4 = __    14 + 5 = __    6 + 4 = __     5 +14 = __

                                                                                                                                                   121 121                     122                                                             122



                                                                   USING THE BOOK: Pages 121-122
                                                                   Page 121: Examples 1-6: Read the directions. Review example 1 together. Have the students complete the section on their
                                                                   own while you offer help as needed.
                                                                   Examples 6-18: Read the directions. Review the first examples together. Ask a student to explain why examples 6 and 8 are
                                                                   circled. Have the students complete the section on their own. Review the page together.
                                                                   Page 122: Read the directions. Ask a student to restate what needs to be done, and have the class complete the page
                                                                   independently while you offer help. Review together.
                                                                    )) You may request that the students bring a collection of coins to class tomorrow. (See “materials needed” in lesson 8.)
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                                                                                                                                                               CLOSING STATEMENT:
                                                                                                                                                                                                               Who can tell us what we learned
                                                                                                                                                                                                               today? [Accept relevant answers.]
                                                                                                                                                                                                               Today we learned that when we add
                                                                                                                                                                                                               with teen numbers, we can add the
                                                                                                                                                                                                               numbers in any order.



                                                                                                                                                                                                                                               131
                                                                   Copyright © by SPOTS Educational Resources. All rights reserved.
   4:8        Chapter 4 Lesson 8: Dimes, Nickels, and Pennies

 GOAL:
                                          CONCEPT DEVELOPMENT:
                                          Place a nickel on the board. Ask the class how much it is worth, and write 5¢ next
 Students will count a collection of
 coins that includes a dime, a nickel,    to the coin.
 and pennies.                             Place a penny on the board, ask the class its worth, and write 1¢ on the board.
 MATERIALS NEEDED: a group of             Show a nickel and four pennies on the board. Together, count the value of the
 sample, large-size coins, including
                                          coins, beginning with 5¢ for the nickel.
 dimes, nickels and pennies; a group
 of real coins for each student that      Place a dime on the board. Ask the class its value. (They should recognize it from
 includes a dime, a nickel, and nine      the “money house” activity in the daily routine.) Write 10¢ next to the dime.
 pennies
                                          Place three pennies next to the dime and, together with the class, count the
                                          value, beginning with the dime.
 QUICK PRACTICE:                          Add another penny, and count the value together.
 Drop-Its: Pass out Drop-Its handout      Continue in this way until you show 19¢.
 #3. Flash 10-15 Addition flash Cards.
                                          Clear the board. Place a dime and five pennies on the board. Together, count
 Have the students write the answers
 on their papers. Check the students’     their value, and write 15¢. Show the pennies and ask: Who remembers what coin
 work.                                    we can use in place of these five pennies? [nickel] [Remove the five pennies, and
                                          put a nickel in their place.] How much money do we have now? Is it the same as
                                          with the pennies? [Count the coins together: 10, 15.] It is the same amount.
 INTRODUCTORY STATEMENT:                  Add a penny, and count the value together: 10, 15, 16.
 We have been learning about adding
                                          Continue adding pennies until you count 19¢.
 to teen numbers. Today we will use
 that to count money.                     Place on the board random groups of coins with values between 2¢ and 19¢.
                                          Together, count the value of each group. When appropriate, point out that
                                          we start with the coin of the highest value (dime) and continue with the next-
                                          highest (nickel), and then we go on to the lowest value (penny).
    THINKING TRIGGER:
                                          Clear the board. Place 9¢ and 16¢ on the board. Ask the class which they think
 My little brother once got a dime from
                                          is worth more. Count the value of each group of coins. Point out that the group
 our uncle. He was upset that he had
 so little. Can you guess how I made      with more coins is not necessarily worth more.
 him happy? I traded his dime for four    If necessary for your class, compare the value of additional groups of coins.
 pennies!
                                          Write a sum of money between 2¢ and 19¢ on the board. Have the students
 Why do you think he was happier
                                          display that amount of money on their desks and show it to a neighbor.
 now?
                                          Compare the different ways the students were able to show the amount.
 Would you prefer four pennies or a
 dime? Why?                               Have the students place a dime on their desks. Ask each student to give his/her
 Do you think it was a good idea to do    neighbor 2¢. Ask: How much do you have now? [12¢] What number sentence can                              Copyright © by SPOTS Educational Resources. All rights reserved.

 this?                                    we write for what just happened? How much money did you have at first? [10¢] How
                                          much did you get? [2¢] How much do you have in all? [12¢] What is our number
                                          sentence? [On the board, write 10¢+2¢=12¢.]
                                          In the same way, write two more addition number sentences using coins.




132
                                                                               Copyright © by SPOTS Educational Resources. All rights reserved.
                                                                                                                    Dimes, Nickels And Pennies
                                                                          Write how many cents is in each group.                                                                       Count the coins. Draw a line from each group of coins to
                                                                                                                                                                                       the item which costs that amount.
                                                                           1.                                  2.                                                                          1.
                                                                                                           c                                         c                                                                                                 17c
                                                                                                                                                                                           2.
                                                                           3.                                  4.                                                                                                                                        15c
                                                                                                           c                                     c
                                                                                                                                                                                           3.
                                                                           5.                                  6.                                                                                                                                       14c
                                                                                                           c                                         c                                     4.
                                                                          7.                                                                                                                                                                                 10c
                                                                                                                                                 c                                         5.

                                                                                                                                                                                                                                                        18c
                                                                           8.
                                                                                                                                                 c                                     Write how many of each coin is needed for each amount.
                                                                                                                                                                                           6.          Dime 7.          Dime 8.             Dime 9.          Dime
                                                                          Write how many cents is in each purse.                                                                           13c ____Nickel 17c____                16c                  c
                                                                                                                                                                                                                                                    19____
                                                                                                                                                                                                                        Nickel      ____   Nickel            Nickel
                                                                          Color the purse that has more money.                                               Student Workbook page
                                                                                                                                                                                                ____             ____               ____              ____




                                                                                                                                                                                                                                                                      Student Workbook page
                                                                                                                                                                                                   Penny                Penny              Penny             Penny
                                                                          9.                                                                                                                    ____             ____               ____              ____

                                                                                                                                                                                       Solve the story problem.                  Write the number sentence.
                                                                                                               c                                 c                                         10. Molly had 1 dime.                 11. Tom had 1 dime.
                                                                          10.                                                                                                                  She got 1 nickel.                     He got 2 pennies.
                                                                                                                                                                                               How much money does she               How much money does he
                                                                                                                                                                                               have now? c                           have now? c

                                                                                                            c                                    c                                                     c         c= c                      c          c= c
                                                                                                                                                         123 123                     124                                                                              124



                                                                   STUDENT TEACHER:
                                                                   Have two students each place a group of coins on the board and lead the class in counting its value. Have the student write
                                                                   the coins’ worth on the board. Ask a third student to circle the group of coins that is worth more.

                                                                   CONCLUSION:
                                                                   Today we learned to count money with a dime, nickel, and pennies.

                                                                   USING THE BOOK: Pages 123-124
                                                                   Page 123: Examples 1-8: Read the directions. Review example 1 together. Have the students complete the section on their
                                                                   own while you offer help as needed. Review it together.
Copyright © by SPOTS Educational Resources. All rights reserved.




                                                                   Examples 9-10: Read the directions. Count the value of the coins in each purse together.                                                               CLOSING STATEMENT:
                                                                   Discuss which is worth more and why.
                                                                                                                                                                                                                          Who can tell us what we learned
                                                                   Page 124: For each section, read the directions, ask a student to restate what needs to                                                                today? [Accept relevant answers.]
                                                                   be done, and have the students complete the section on their own while you offer help.                                                                 Today we learned all about using
                                                                                                                                                                                                                          coins: a dime, a nickel, and pennies.
                                                                   Review the page together.                                                                                                                              Tomorrow we will go back to adding
                                                                                                                                                                                                                          numbers. We will add three numbers
                                                                                                                                                                                                                          together!



                                                                                                                                                                                                                                                                      133
                                                                   Copyright © by SPOTS Educational Resources. All rights reserved.

				
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