# Math

posted by
**Hayley** on
.

1. 3+2+1=1+2+3

2. 3(1+4)=(3x1)+(3X4)

3. 9(5+6)=45+54

4. 9+(4+3)=(4+3)+9

5. (9+7)+6=9+(7+6)

6. 5(a+7)=5a+35

A. Associative Prop. of Addition

B. Associative Prop. of Multiplication

C. Commutative Prop. of Addition

D. Commutative Prop. of Multiplication

E. Distributive Prop.

1.C

2.B

3.E

4.A

5.A

6.E