Description

Shared by:
Categories
-
Stats
views:
72
posted:
11/22/2010
language:
English
pages:
10
Document Sample

```							* Calculating with Candy *
Subtraction, and Estimation

Caitlin Buzzell and Dena Raffa
Curriculum Context:
(lessons and activities
wide range of learning
levels of children)

   Hartford Public
Elementary School

   Time Frame: 2 hours a
Objectives:
   Work individually, with peers and with more mature
learners.

   Students will be able to apply each area of math to real
life situations.

   Blooms Taxonomy Students will spend time on the
understanding (describe, identify), application (interpret,
solve, write), and synthesis (formulate, organize, write)
stage.
Objectives: (from CT Framework)

– Students will be able to “use models and pictures to
demonstrate understanding of equivalent forms of
numbers .”

– “Students will add, subtract with whole numbers,
estimation and develop strategies for selecting the
appropriate computational and operational methods for
solving problems.”

– “Students will use #’s to count, compare, order and use
a variety of numerical representations to present,
interpret, communicate and connect various kinds of
numerical information.”

   Simple 1 digit addition worksheet to start of the unit

   M&M Candy Activity (Individual):
   Distribute packages of M&M’s and ask students to…
1.   Count how many are in there cup.
2.   Arrange by similar colors.
3.   Count how many in each group then place in a line
accordingly from least to most.

M&M activity continued (Group):
   Write on paper the addition sentence that represents
together.

1. Rearrange them by their color.
2. Recount them and put into new line accordingly
from least to most.

End unit with a 2 digit complex addition worksheet.
Subtraction (Day 3&4):

   Begin with easy worksheet.

   Jellybean activity.

   End with a more complex worksheet.
Subtraction (Day 3&4):

Jellybean activity (Groups of 4):

   Hand out 25 jellybeans to each group.
   Pair up within the group.
   One partner will remove certain amount from pile
   Partner will write down sentence in word form the
equation that just took place.
Testing (Day 5):

   Worksheet with 100 addition & subtraction
problems
   Receive a worksheet of 100 problems and compete with
classmates to see how many they can accurately complete in
a two minute period.

   Around the World game
   Students compete with one another to see who can correctly
answer the problem on the flash card
Estimation (Day 6):
   Give brief lesson on estimation:
 Define estimation
 Show examples
 Take questions

   Gumdrop activity:
   Place children in groups of 4 or 5.
   Have 10 jars at each table full of gumdrops in increments of 5
(5, 10, 15, 20, 25)
   Have children analyze and estimate how many are in each jar.
   Then have them arrange in a line accordingly from least to most.

```
Related docs