Rates and Unit Rates Worksheet

Question 1

A runner travels 12 miles in 3 hours. What is the runner's unit rate in miles per hour?

Accepted Answer

The runner's unit rate is 4 miles per hour because 12 divided by 3 equals 4.

Question 2

A pack of 6 notebooks costs $9.00. What is the cost per notebook?

Accepted Answer

The cost per notebook is $1.50 because $9.00 divided by 6 equals $1.50.

Question 3

A printer prints 45 pages in 5 minutes. How many pages does it print per minute?

Accepted Answer

The printer prints 9 pages per minute because 45 divided by 5 equals 9.

Question 4

Store A sells 8 pencils for $2.40. Store B sells 12 pencils for $3.00. Which store has the lower price per pencil?

Accepted Answer

Store B has the lower price per pencil. Store A costs $0.30 per pencil because $2.40 divided by 8 equals $0.30. Store B costs $0.25 per pencil because $3.00 divided by 12 equals $0.25.

Question 5

A car uses 10 gallons of gas to travel 320 miles. What is the car's fuel efficiency in miles per gallon?

Accepted Answer

The car's fuel efficiency is 32 miles per gallon because 320 divided by 10 equals 32.

Question 6

A recipe uses 3 cups of flour to make 24 cookies. At this rate, how many cookies can be made with 1 cup of flour?

Accepted Answer

The recipe makes 8 cookies per cup of flour because 24 divided by 3 equals 8.

Question 7

Lena earns $48 for working 6 hours. If she is paid at the same rate, how much does she earn in 10 hours?

Accepted Answer

Lena earns $80 in 10 hours. Her hourly rate is $8 per hour because $48 divided by 6 equals $8, and $8 times 10 equals $80.

Question 8

A bicyclist rides 18 miles in 1.5 hours. What is the bicyclist's speed in miles per hour?

Accepted Answer

The bicyclist's speed is 12 miles per hour because 18 divided by 1.5 equals 12.

Question 9

A 20-ounce bottle of juice costs $2.60. A 32-ounce bottle of the same juice costs $3.84. Which bottle has the lower cost per ounce?

Accepted Answer

The 32-ounce bottle has the lower cost per ounce. The 20-ounce bottle costs $0.13 per ounce because $2.60 divided by 20 equals $0.13. The 32-ounce bottle costs $0.12 per ounce because $3.84 divided by 32 equals $0.12.

Question 10

A classroom has 28 students and 4 teachers. Write the rate of students to teachers, then find the number of students per teacher.

Accepted Answer

The rate is 28 students to 4 teachers. The unit rate is 7 students per teacher because 28 divided by 4 equals 7.

Question 11

A faucet fills 15 gallons of water in 6 minutes. How many gallons does it fill per minute?

Accepted Answer

The faucet fills 2.5 gallons per minute because 15 divided by 6 equals 2.5.

Question 12

A movie download uses 1,200 megabytes in 4 minutes. At this rate, how many megabytes are used in 7 minutes?

Accepted Answer

The download uses 2,100 megabytes in 7 minutes. The unit rate is 300 megabytes per minute because 1,200 divided by 4 equals 300, and 300 times 7 equals 2,100.

Rates and Unit Rates

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