Unit 3 Test

Name the property shown:

20 x 1 = 20

• Associative Property of Multiplication

• Commutative Property of Multiplication

• Distributive Property

• Identiy Property of Multiplication

Name the property shown:

45 + 14 = 14 + 45

• Associative Property of Multiplication

• Associative Property of Addition

• Commutative Property of Addition

• Commutative Property of Multiplication

Name the property shown:

(5 + m) + n = 5 + (m + n)

• Associative Property of Multiplication

• Associative Property of Addition

• Commutative Property of Addition

• Distributive Property

Use the distributive property to rewrite the exression:

3(a - 4)

• 3a - 4

• a - 12

• 3a - 12

• 9a

Use the distributive property to rewrite the expression:

5(r + 8)

• 5r + 8

• 5r - 40

• 45r

• 5r + 40

What is the value of  $a^2b$  when  $a\ =\ 3$  and  $b\ =\ 7$  ?

• 28

• 33

• 63

• 54

What is the value of  $\frac{10b}{a}$  if  $a\ =\ 2$  and  $b\ =\ 6$  ?

• 53

• 30

• 8

• 2

Are the following expressions equal?

3z + 2z and 5z

• Yes

• No

Are the following expressions equal?

6 + y - 7 and y + 13

• Yes

• No

Find the GCF of 15gh and 35ghi.

• 5

• 5gh

• gh

• 15gh