Rates
Ratios
Percents
Conversions
Word Problems
100

The ratio of 3 blue marbles to 5 red marbles, written in colon form.

3:5

100

A special type of ratio that compares two quantities with different units, like kilometers and hours.

A rate

100

You can find this percent of a number by simply dividing the number by 10.

10%

100

The decimal equivalent of 50%.

0.50 (or 0.5)

100

In a bag of 20 apples, 1 is rotten. The number of good apples remaining.

19

200

The equivalent ratio to 2:7 if you multiply both sides by 3.

6:21

200

The unit rate if you read 150 pages in 3 hours.

50 pages per hour

200

50% of 60.

30

200

The percent form of the fraction 103.

30%

200

You score 80% on a math test with 50 questions. The number of questions you answered correctly.

40 questions

300

If a recipe calls for 4 cups of flour and 6 cups of water, the simplest form of the ratio of flour to water.

2:3

300

The number of apples you can buy for $1 if the rate is 4 apples for $2.

2 apples

300

10% of 450.

45

300

The simplified fraction equivalent of 25%.

41

300

A store offers a 10% discount on a $60 hockey stick. The amount of money you save.

$6

400

In a class of 30 students, 12 are wearing glasses. The ratio of students not wearing glasses to students wearing glasses.

18:12 or 3:2

400

The amount of money you earn in 4 hours if you are paid $12 per hour.

$48

400

To find 15% of 80, you can find 10% (which is 8) and add 5% (which is 4). The final answer is this.

12

400

The percent form of the decimal 0.07.

7%

400

Three friends share a box of 45 cookies in the ratio of 2:2:5. The number of cookies the person with the largest share gets.

25 cookies

500

If a gear train has a ratio of 5:2, and the smaller gear spins 10 times, the number of times the larger gear spins.

4 times

500

A car travels 300 km in 4 hours. Its speed in kilometres per hour.

75 km/h

500

25% of 200, which is the same as finding one-quarter of 200.

50

500

The percent form of the fraction 2018.

90%

500

A recipe calls for 2 cups of sugar for every 3 cups of flour. If you use 12 cups of flour, this is the amount of sugar you need.

8 cups of sugar