Number Properties, Order of Ops, & Expressions Review

Which property is shown in the following number sentence?
(4 ⋅ n) ⋅ 3 = 4 ⋅ (n ⋅ 3)

• Multiplicative property of zero
• Associative property of addition
• Associative property of multiplication
• Commutative property of multiplication

If k = 2, what is the value of
k³ - (k - 10) + 4k

• 6
• 8
• 22
• 24

What is the value of 
∣y∣ + 4 - y ⋅ x
if x = 7 and y = -2?

• 16
• -12
• -8
• 20

Identify the property illustrated below.
⅔ ⋅ ³⁄₂ = 1

• Multiplicative Identity Property
• Multiplicative Inverse Property
• Associative Property of Multiplication
• Commutative Property of Multiplication

The problem shown is solved incorrectly. Analyze the problem and state where the student went wrong.

• Should have added 2 and 5 first.
• Should have divided 16 by 4 first.
• Should have added 8 and 5 second.
• You're crazy, they did it correct!

What is the value of
xy - 2y
when x = -3 and y = 6?

• 6
• -120
• -30
• 30

Identify the property illustrated below.
(2 ⋅ 3) ⋅ 4 = (3 ⋅ 2) ⋅ 4

• Multiplicative Identity Property
• Multiplicative Inverse Property
• Associative Property of Multiplication
• Commutative Property of Multiplication

Use the order of operations to solve the expression shown.

• 9
• 10
• 11
• 12

When x = 4 and y = 5,
which expression is equivalent to
2x - y

• xy + 14
• x + y + 6
• xy - 14
• x + y - 6

Use the order of operations to evaluate the expression shown.

• -80
• -16
• 16
• 80