Unit 1 Test Review

a + b = b + a can be represented by what?

• Identity property of addition

• Associative property of addition

• Commutative property of addition

• Additive inverse

(2 + 7) + 5 = 2 + (7 + 5) can represent what?

• Commutative property of addition

• Additive inverse

• Identity property of addition

• Associative property of addition

What is the property shown in this equation?
8(5 + 3) = 8(5) + 8(3)

• Associative Property of Addition
• Commutative Property of Addition
• Additive Identity Property
• Distributive Property

Are  these two expressions equivalent?
2 • (3 • 7) and  (2 • 3) • 7 

• Yes, because of the associative property
• Yes, because of the commutative property
• Yes, because of the distributive property
• No, these two expressions are not exquivalent

Are these two expressions equivalent?
6 + 3 and 3 + 6

• Yes, because of the associative property
• Yes, because of the commutative property
• Yes, because of the associative property
• No, these two expressions are not equivalent

Identity Property of Multiplication

• 1 x 3 = 3
• 7 x 0 = 0
• 12 + 0 = 12
• 2 x 3 = 3 x 2

Commutative Property of Multiplication

• 8 + 2 = 2 + 8
• 12 x 2 = 2 x 12
• 6 x 1 = 6
• 0 x 4 = 0

9 x 1 = 9

• Commutative Property of Addition
• Commutative Property of Multiplication
• Identity Property of Addition
• Identity Property of Multiplication

Identity Property of Multiplication

• 5 x 0 = 0
• 8 x 3 = 3 x 8
• 12 x 1 = 12
• 8 + 0 = 8

Which is equivalent to 7 x 7 x 7 x 7 x 7 x 7 
?

• 7⁵
• 7⁶
• 6⁷
• 7⁷