Topic 1: Rational Number Operations Review

Henry runs up 10.5 flights of stairs. How far will Henry have to run down to represent an additive inverse?

• 10.5 flights down

• 10.5 flights up

• 5.25 flights down

• 21 flights down

Tags

CCSS.7.NS.A.1B

Five out of six students said baseball was their favorite sport. What is the decimal equivalent for the number of students who chose baseball?

• 0.56

• 0.83

The outside temperature decreases by 7°F in 3 1/2 hours. Part A: How would you represent the temperature change as a unit rate? Express your answer as an integer.

• −2°F per hour

• 2°F per hour

• −3.5°F per hour

• 7°F per hour

Tags

CCSS.7.RP.A.1

The outside temperature decreases by 7°F in 3 1/2 hours. Part B: If the temperature continues to decrease at this rate, what will be the change in temperature after 5 hours?

• −10°F

• 10°F

• −7°F

• −12°F

Tags

CCSS.7.NS.A.3

If x < 0, y > 0, and x + y = z, which statement about z is true?

• |z| = |x|

• z > 0

• z < 0

• |z| > |y|

Tags

CCSS.7.NS.A.1B

• $309.20

• $340.80

• $314.80

• $289.20

Tags

CCSS.7.NS.A.3

Sean started with 15 points during a trivia game. Then, he lost 15 points on one turn and also lost 20 points on his final turn. Part A: Show the change in Sean’s score using the number line below by selecting the expression that matches his change.

• 15 − 15 − 20

• 15 + 15 − 20

• 15 − 20 − 15

• 15 + 20 − 15

Tags

CCSS.7.NS.A.1C

Sean started with 15 points during a trivia game. Then, he lost 15 points on one turn and also lost 20 points on his final turn. Part B: What is Sean’s final score?

• −20

• 20

• −15

• 0

Tags

CCSS.7.NS.A.1C

At sunrise, the outdoor temperature was 2 degrees below zero. At dusk, the outdoor temperature had dropped to 15 degrees below zero. Select all the expressions that represent the distance between the two temperatures.

• |−15 − (−2)|

• |−15 − 2|

• |−15 + (−2)|

• |−2 + (−15)|

• |−2 − (−15)|

Tags

CCSS.7.NS.A.1C

A jewelry company loses $450 as a result of a delivery delay. The 9 owners of the company must share the loss equally. Which quotient represents each owner’s share of the loss?

• −450 ÷ 9

• −450 ÷ −9

• 450 ÷ 9

• 450 ÷ −9

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B