Ratio, Rate, Percent

Ratios

100

a math class has 18 boys and 7 girls

what is the ratio of girls to boys?

7 to 18

200

a math class has 18 boys and 7 girls

what is the ratio of boys to students?

18 to 25

300

a math class has 18 boys and 7 girls

what is the ratio of students to girls?

25 to 7

400

a math class has 18 boys and 7 girls

What is the ratio of girls to students as a fraction?

7/25

Equivalent Ratio

100

3:7 = ___ :21

3:7 = 9:21

200

8:9 = 64:___

8:9 = 64:72

300

12:___ = 24:14

12:7 = 24:14

400

___:6 = 35:42 = ___: 60

5:6 = 35:42 = 50:60

Unit Rate

100

find the unit rate

8 oranges cost $4.99

$ 0.62 per 1 orange

200

find the unit rate

Susan pays $430.96 for 4 graphing calculators

$107.74 per 1 graphing calculator

300

find the unit rate

John rakes 7 yards to earn $175

$25 per 1 yard

400

find the unit rate

$80.91 for 9 pizzas

$8.99 per 1 pizza

***Finding and Using Rates

100

Pete drives 240 miles in 4 hours. Approximately how many miles did he drive in one hour?

60 miles in one hour

***DOUBLE POINTS***

200

Jill runs a mile in 7 minutes. If she can keep that pace, how long will it take her to run 8 miles?

56 minutes to run 8 miles

***DOUBLE POINTS***

300

A sped boat can travel at 90 miles per hour on calm water. How long will it take to travel 30 miles?

20 minutes to travel 30 miles

***DOUBLE POINTS***

400

Julie biked for 3 hours and traveled 27.9 miles. Approximately how many miles did she travel in one hour?

9.3 miles in one hour

***DOUBLE POINTS***

***Pick the Best Deal

100

A 32 ounce container of pasta for $4.99

or

A 20 ounce container of pasta for $3.99

A 32 ounce container of pasta for $4.99

***DOUBLE POINTS***

200

a 27.5 oz family size box of cereal for $5.40

or

a regular 17 oz box of cereal for $3.85

a 27.5 oz family size box of cereal for $5.40

***DOUBLE POINTS***

300

two pounds of store brand deli meat for $13.98

or

1.5 pounds of name brand deli meat for $13.98

two pounds of store brand deli meat for $13.98

***DOUBLE POINTS***

400

a 24 pack of toilet paper for $14.99

or 

a 6-pack of toilet paper for $3.59

a 6-pack of toilet paper for $3.59

***DOUBLE POINTS***

Convert to a Percent

100

7/8 = ____%

87.5%

200

0.35 = ____%

35%

300

5/12 = ____ %

41.6%

400

0.023 = ____ %

2.3%

Percent of a Number

100

98% of 17 is...

16.66

200

61% of 156 is...

95.16

300

36% of 80 is...

28.8

400

200% of 88 is...

176

Percent

100

18 is what percent of 60?

30%

200

50 is what percent of 67.4?

74%

300

What percent of 147 is 43?

29%

400

What percent of 55 is 155.4?

282.5%