Ratios, Proportion, and Percent

Ratios

100

Write the ratio one to seven three different ways.

3/7, 3:7, 3 to 7

200

Give three equivalent ratios for 2:3.

4:6, 6:9, 8:12, etc....

300

Find the missing term 3 to 2 = __ to 8

12

400

Find the missing term: 3:9 = 4:__

12

500

Of the ten members on a team, 2 are girls. What is the ratio of girls to boys? Simplest form.

1:4

Unit Rates

100

5 bags of chips cost $10. What is the unit rate?

$2 per bag

200

Nathaniel can type 200 words in 4 minutes. how many words can he type per minute?

50 words/1 min.

300

Jordan earned $240 babysitting for 8 hours. How much did he make per hour?

$30 per hour

400

Find the unit rate for $19.20 for 5 tickets.

$3.84/1 ticket

500

Pops Cereal is sold in two boxes. 20 oz. sells for $3.28 and 14 oz. sells for $2.50. Which is the better buy?

$3.28 for 20 oz.

Rates

100

6 bags of takis costs $12. What is the cost for 4 bags?

$8

200

3 scoops of ice cream has 540 calories. How many calories in 2 scoops?

360 calories in 2 scoops

300

Ezra is a cashier. He can ring up 12 customers in 8 minutes. How many customers can he ring up in 4 minutes?

6 customers

400

Robert can clean 72 rooms in 6 days. How many rooms can he clean in 9 days?

108

500

Ms.Cruz can grade 160 homework assignments in 2 hours. How long does it take her to grade 30 homework assignments?

22.5 minutes

Percent of a Whole

100

2/5 = ___ %

40%

200

3/12 = ___ %

25%

300

What percent is 8/25?

32%

400

A concert can hold 800 people. If they sold 60% of the tickets, how many tickets did they sell?

480 people

500

A school survey showed that out of 500 students, only 150 ride the bus to school. What percent of students DO NOT ride the bus to school?

70%

Proportions

100

Juan has a ratio of 3 fish to 5 plants in his aquarium. He has 33 fish. How many plants does he have?

55 plants

200

Ten tangerines cost $1.60. How much do 8 tangerines cost?

$1.28

300

A map uses a scale of 2 in. for every 15 mi. If the map shows a distance of 32 in., what is the actual distance?

240 mi.

400

If you pay $42,000 for 35 acres of land, how much would you pay for 20 acres at the same price per acre?

$24,000

500

A plane travels 200 miles in 30 min. At this rate, how long, in hours and minutes, would it take for the plane to travel 900 miles?

2 hr 15 min.