Chapter 6 Review

3+4+5 = 5+4+3

• Commutative
• Associative
• Identity
• Distributive

2+(3+5) = (3+5)+2

• commutative
• associative
• distributive
• identity

3+(2+5) = (3+2)+5

• commutative
• associative
• identity
• distributive

3 * 1 = 3

• commutative
• associative
• identity
• distributive

2(x+y) = 2x=2y

• multiplicative property of zero
• associative
• identity
• distributive

(19 x 5) x 2 = 19 x (5 x 2)

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

Which property makes this problem easier to calculate mentally?
17 + 29 + 3

• Associative Property of Addition
• Commutative Property of Addition
• Associative Property of Multiplication
• Commutative Property of Multiplication

Simplify   6(x + -2)

• 6x + -2
• 6x + -12
• 4x
• 6x - 2

Simplify   2(3x + 5)

• 6x + 10
• 23x + 5
• 6x + 5
• 11x

Simplify    5(2 - 7n)

• 52 - 7n
• 10 - 7n
• 10 - 35n
• 10 + 35n