Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities where one of the quantities is expressed as a quantity of one. For example, if you can buy 3 apples for $6, the unit rate is $2 per apple.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity of one item by the total quantity of another item. For example, if you drove 150 miles using 5 gallons of gas, the unit rate is 150 miles ÷ 5 gallons = 30 miles per gallon.

Front

What is the unit rate of 9 candy bars for $13.50?

Back

$1.50 per candy bar.

Front

If a car travels 231 miles using 7 gallons of gas, what is the mileage in miles per gallon?

Back

33 miles per gallon.

Front

How do you find the slowest reading rate from a set of options?

Back

To find the slowest reading rate, calculate the rate for each option (pages per minute) and compare them. The option with the lowest rate is the slowest.

Front

What is the reading rate for 3 pages in 9 minutes?

Back

The reading rate is 3 pages ÷ 9 minutes = 0.33 pages per minute.

Front

If Justin can type 408 words in 4 minutes, how many words can he type per minute?

Back

102 words per minute.

Front

What is Alycia's unit rate if she earned $20.40 in 3 hours?

Back

$6.80 per hour.

Front

How do you convert a total cost to a unit price?

Back

To convert a total cost to a unit price, divide the total cost by the number of items. For example, if 12 cookies cost $24, the unit price is $24 ÷ 12 = $2 per cookie.

Front

What is the unit rate of 4 pages read in 10 minutes?

Back

0.4 pages per minute.