Unit 10 Quiz Review: Order of Operations

What is the order of operations that should be used to evaluate this expression?

3(4 + 7) – 5 × 4

• +, ×, ×, –

• ×, ×, +, –

• ×, ×, –, +

• +, –, ×, ×

Answer explanation

Grouping the numbers inside of the parentheses ( ) is ALWAYS the first step in PEMDAS

Evaluate the expression below.

65 - 2 ⋅ 7 + 9 ÷ 3

• 150

• 54

• 20

• 444

The expression 45 - 6 + 3(10) is equivalent to (a)   .

Sergio wrote the expression shown to determine the cost in dollars for an upcoming trip.

(127.50 - 23.50) + 3(86.50 + 4)

Which expression is equivalent to the one Sergio wrote?

• 107(90.50)

• 101(90.50)

• 104 + 3(90.50)

• 104 + 263.50

The value of the expression 3 + 2(-3) is (a)   .

What is the correct value of this expression 3(15 + 9) – 2 × 11?​ ​ (a)  

• 50
• 30
• 572
• 770

What is the correct order of operations for this expression?

t = (2.95 × 3) + (4.50 × 2) – 1.50

• x

• x

• +

• -

Simplify:

(4 x 3) ÷ (7 - 5)

• 1

• 2

• 3

• 6

Convert the expression below from expanded form to exponential form.

w ⋅ w ⋅ w ⋅ w ⋅w ⋅ w

• w ⋅ 6

• w ⁶

• w + 6

• 6w

Which TWO expressions represent the value of 72?

• 2² + 3²

• 2³ + 3²

• 2(2 × 2) + 3(3)

• (2 × 3) × (3 × 2)

• 2(2 × 2) × 3 × 3