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?

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

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.

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?

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

Josie deposited $$450 in a bank account at the beginning of the month. A payment of$$ 35.20 is automatically deducted each month for her gym membership. If she makes no other deposits or withdrawals, how much money is in Josie’s account at the end of four months?

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.

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?

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.

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?