Topic Test Answers

How do the expressions and compare when they are evaluated?

The position of a swimmer below sea level is represented by –5 meters. The diver descends an additional 3 meters below sea level. Which expression describes the new position of the diver?

What is the product of and ?

Which point on the number line represents the product ?

Bruno uses a piece of wrapping paper with dimensions feet by 3 feet to wrap a gift. What is the total area of the paper used to wrap the gift?

What is the quotient?

What is the sum of 16.87 + (–98.35)?

Three investors own a company. One partner owns of the company, while the second partner owns of the company. How much does the third partner own?

Vicky records the low temperature for three consecutive days. Between the first and second days the temperature increased 6 degrees. Between the second and third days the temperature decreased 3 degrees. On the third day the low temperature was –6º. What was the low temperature on the first day?

Dion is laying brick down to make a patio. He plans for the patio to be 8.75 feet by 14.8 feet. He orders enough brick for 135 square feet. Which statement about the amount of brick is correct?

Leonardo is solving the equation . His work is shown. Where is his error?

Jillian is using integer tiles to add . She uses the steps below.Step 1Step 2Step 3Step 4Jillian has made an error. In which step does it occur?

Diego buys 4.25 pounds of mushrooms. Each pound costs $2.99. Which expression gives the best estimate of the cost of the mushrooms?

How is the product of 2 and –5 shown using integer tiles?

Kari estimated the quotient of to be –8. Which best describes her error?