Partner A
1.
Tell your partner to write: 4 + 5 + 6

Ask him to show his work in the box to simplify this expression

Next tell your partner to rearrange this addition problem so it’s easier to simplify.

Simplify. Are the answers the same?

This property is called _____ (use a resource if need be)

What precise math vocabulary sentence could you substitute for 4 + 5 + 6
2.
Do what your partner says
Partner B
1.
Do what your partner says


2. Tell your partner to write: 2 x 8 x 5

Ask him to show his work in the box to simplify this expression

Next tell your partner to rearrange this multiplication problem so it’s easier to simplify.
Simplify. Are the answers the same?
This property is called _____ (use a resource if need be)
What precise math vocabulary sentence could you substitute for 2 x 8 x 5
3.
Do what your partner says 3.
Tell your partner to write: (12 + 4) + 6

Ask him to show his work in the box to simplify this expression

Next tell your partner to move the parentheses so it’s 12 + (4+ 6)

Simplify. Are the answers the same?

This property is called _____ (use a resource if need be)

What precise math vocabulary sentence could you substitute for (12 + 4) + 6
4.
Do what your partner says 4.
Tell your partner to solve 34 x 3 using mental math

Ask your partner to show the work that is going on in his head.

Can it be simplified?
 Let’s discuss as a class
5.
5.
Tell your partner to solve 39 x 3 using mental math

Ask your partner to show the work that is going on in his head.

Can it be simplified?
 Let’s discuss as a class
6.
6.
Tell your partner to demonstrate the identity property of addition (If your partner needs a hint say, “How could a zero help you?)
Possible answers: 4+ 0, -8 + 0, 32 + 0
7.
7.
Tell your partner to demonstrate the identity property of multiplication (If your partner needs a hint say, “How could the number 1 help you?)
Possible answers: 6 x 1, -4 x 1, 1 x 8

#1 Resource card
C O_ _U_AT_VE property of A_ _I_ION
#2 Resource card
C O_ _U_AT_VE property of MUL_I_LI_ATI_N
#3 Resource card
A_ _O_IA_IVE property of A_ _I_ION
#4 Resource card
30 x 3 plus 4 x 3 is simplified to 3(30 + 4)
90 + 12
102
3(30 + 4)
#5 Resource card
40 x 3 minus 1 x 3 is simplified to 3(40 – 1)
120 - 3
117
3(40 – 1)