Pre-Algebra 7 Final Exam

In a recipe, for every 1/3 cup sugar, 3/4 cup flour is needed. How many cups of sugar are needed for 1 cup of flour? Write your answers in the blanks.

Mathematical Equivalence

ON

The number of miles a car can be driven is proportional to the number of gallons of gasoline it uses. The car can be driven 14 miles per 1/2 gallon of gasoline used. What is the constant of proportionality for the relationship of miles driven to gallons of gasoline?

• A) 28

• B) 7

• C) 1/7

• D) 1/28

A toy tire has a diameter of 5 cm. What is the distance, in centimeters, that the toy tire moves after 12 full rotations of the toy tire? Use 3.14 for π.

Mathematical Equivalence

ON

What is the sum of −26 and −37?

• −63

• −11

• 11

• 63

In the middle of a game, Dawn has a score of −17. At the end of the game, Dawn's score increases by 21. What is Dawn's score at the end of the game?

Mathematical Equivalence

ON

Brendan throws a rock into a pond. The bottom of the pond is -12.6 ft from the surface of the pond. Brendan is on a patio that is 2.7 ft above the pond. How many feet apart are Brendan and the rock?

Mathematical Equivalence

ON

Which value of x makes the following statement true? 1.9 − x = a negative number

• A) x = −1.9

• B) x = 1.9

• C) x = 0.9

• D) x = 2.1

An anchor 3/5 m below the surface of the ocean is lowered 1/5 m. Then it is pulled up 7/5 m. What is the anchor's new position?

Mathematical Equivalence

ON

Emery divides to find the decimal form of 7/12. His work is shown. Emery says that 7/12 is not a rational number because the decimal form neither terminates nor repeats. Is Emery correct?

• Yes

• No

The temperature is 92°F. The temperature decreases for 5 hours. Each hour, the temperature decreases by 2°F. Then the temperature rises 14°F in one hour. What is the temperature after 6 hours?

• 68°F

• 82°F

• 88°F

• 96°F