Grade 7 Prep

Identify the property
a + b = b + a

• Identity of addtion
• commutative of addition
• associative of addition
• symmetric

Identify the property
(a ⋅ b) ⋅ c = (c ⋅ b) ⋅ a

• commutative of multiplication
• identity of multiplication
• inverse of multiplication
• associative of multiplication

Identify the property
a + 0 = a

• identity of addition
• identity of multiplication
• inverse of addtion
• multiplication of zero

Pick the answer that is an example of the inverse property of multiplication

• 5 ⋅ 0 = 5
• 5 ⋅ 1/5 = 1
• 5 - 5 = 0
• 5 ⋅ 1 = 5

5(8 + 7) = (5 ^_x 8) + (5 ^_x 7)

• Multiplicative Inverse
• Distributive Property
• Additive Identity 
• Associative Property of Multiplication

In the expression 3p + 4, what is the word for the number 3?

• term

• coefficient

• product

• sum

If z = 31, what is 30 − z ?

• 1

• -1

• 2

• 3

Evaluate the expression for m = 10.

11m

• 110

• 21

• 100

• 1110

What is 11z - 12z

• 1z

• -1z

• z

• -z