Review of Real Numbers, Properties, and Order of Operations

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

Which of the following is an example of the MULTIPLICATIVE PROPERTY OF ZERO?

• -76 x 0 = 0

• -9 + 9 = 0

• 100 - 100 = 0

• 49 + 0 = 49

Fill in the blank to properly show the DISTRIBUTIVE PROPERTY:

7(11 + 4) = 77 + ____

• 3

• 4

• 7

• 28

What property is this?
9(b + 0.5) = 9b + 4.5

• Commutative
• Associative
• Distributive
• Additive Inverse

(7 + 41) ÷ 2 – 15

• 19
• 9
• 25
• 3

15 + 7 × 2 – 11 + 35=

• 38
• 251
• 53
• 50

8² - 20 ÷ 2 x 5

• 14
• 10