Unit 5 Assessment ~ Expressions

What is the value of 12 + 6 ÷ 2 – 1?

• 0

• 8

• 14

• 18

Five sisters went to dinner. The taxi ride to the restaurant cost $16. Each sister ordered a hamburger which cost $7 each. Which of the following expressions would calculate the total cost of the outing? Circle all that apply.

• 16 + 7 + 7 + 7 + 7 + 7

• 5 × 7 + 16

• 5(16 + 7)

• 5 + 7 + 16

• 16 + 7

How could the numerical expression below be written as a power? 7 × 7 × 7 × 7

• 4⁷

• 7⁴

• 7⁷

• 823,543

Which of the following numerical expressions equals 10? Circle all that apply.

• 1 + 4² – 7

• 5² + 3 – 3

• 4 ÷ 1 + 3 × 2

• 1⁴ + 3(2 + 1)

• 90 ÷ (1 + 2)³

Which of the following word phrases describe the expression y + 3? Circle all that apply.

• three less than y

• the sum of y and 3

• the quotient of y and 3

• the product of y and 3

• three more than y

What is the value of 2x – 5 when x = 4?

• 1

• 3

• 11

• 19

• 13

• 13.5

• 15

• 28

Which of the following expressions simplify to 10x + 8? Circle all that apply.

• 12 - 2 + 10x

• x + 3 + 9x + 5

• 8 + x + x

• 3x + 2x + 3x + 8

• 1 + 10 + 4x - 3 + 6x

Which expression is equivalent to 6x + 15?

• 6(x + 2)

• 6(x + 15)

• 3(2x + 5)

• 2(3x + 5)