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04 - 8.N.2 U1-L4

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04 - 8.N.2 U1-L4 Powered By Docstoc
					Name ____________________________                                        “Skillfully be Scholarly”
                                            8.N.2
Class ______                           Unit 1 – Lesson 4                         Date

Objective: Students will be able to __________________________________________________________

____________________________________________________________________________________.
I DO                                 Order of Operations


               1.


               2.


               3.


               4.


   1. (5 • 2)2 – 26                2. 34 • 2                      3.
                                                                        (3  2)2
                                                                                  23
                                                                        (10  2)




Part A – Solve the following expression:       27  2(5)  10



Part B – How did you decide which numbers and operation to use first?
We DO
Circle the numbers and operations that the student should perform as the first step in the following problems.

1.                                     2.                                   3.




Must DO
Solve the following expressions using PEMDAS.

1.   (3  2)2  5                              2.   32  2  5                        3.   4  8  42




6. Circle the part of the expression that the student simplified in each line. The first line is done for you.




7. Did the student follow PEMDAS correctly? How do you know?
Should DO
Solve the following expressions using PEMDAS.
                                                                                        4  20  62
     (3  2)  1
            3
                                          3  (2  5)
                                           2       3
1.                                   2.                                            3.
                                                                                            22




                                                                                        (10  10)3
                                          16  (4  5)  5
                                                   2
4.   (2  2 )  1
       2     2 2
                                     5.                                            6.
                                                                                           102
Can DO
1. What’s an example in life where you have to follow a certain order to do things or else it messes up?




2. How is your example in number 1 similar to PEMDAS in math? What happens when you don’t
complete math expressions in the correct order?




3. Write a PEMDAS problem to try and stump Mr. Bennett!

				
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posted:10/18/2011
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