Review

Converting between fractions, decimals, and percents

100

Convert 0.5 to a percent.

50%

200

Convert 63.8% to a decimal.

0.638

300

Convert 1/8 to a decimal.

0.125

400

Convert 0.325 to a fraction.

13/40

500

Convert 3/7 to a percent (round to the tenths place).

42.9%

Solving proportions of the form x/a = b/c

100

Solve for x.

x/4 = 2/8

x = 1

200

Solve for x.

x/3 = 1/5

x = 3/5

300

Solve for x.

x/7 = 4/56

x = 1/2

400

Solve for x.

x/2 = 0.3/0.5

x = 6/5

500

Solve for x.

3x/25 = 2.5/5

x = 25/6

Word problems involving proportions

100

Maddy is carrying a 5 liter jug of sports drink that weighs 7.5 kg. She wants to know how many kilograms a 2 liter jug of sports drink would weigh. She assumes the relationship between volume and weight is proportional.

3 kg

200

Chef Rita is cooking for a Sunday brunch. She knows that 22 pancakes can feed 8 people. She is wondering how many people she can feed with 55 pancakes. She assumes each person eats the same quantity of pancakes.

20 people

300

Rachel earned $34 in 4 hours at her job today. She wants to know how much she could earn tomorrow if she works 10 hours at the same hourly rate.

$85

400

Scott likes to run long distances. He can run 20 km in 85 minutes. He wants to know how many minutes it will take him to run 52 km at the same pace.  

221 minutes

500

Mel fills his gas tank up with 6 gallons of gas for a cost of $26.58. How much would it cost for him to fill his 18-gallon tank?

$79.74

Operations with fractions

100

3/5 + 4/5

Write your answer as a proper or improper fraction.

7/5

200

1/2 - 1/4

Write your answer as a proper or improper fraction.

1/4

300

5/6 x 3/4

Write your answer as a proper or improper fraction.

5/8

400

(3/2) / (11/12)

Write your answer as a proper or improper fraction.

18/11

500

3/2 x (4/5 + 3/4) / (1/2)

Write your answer as a proper or improper fraction.

81/20