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 travel 60 miles in 2 hours, the unit rate is 30 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 12 apples for $3, the unit rate is 12 ÷ 3 = 4 apples per dollar.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

50 miles per hour.

Front

If a recipe calls for 4 cups of flour to make 8 cookies, what is the unit rate of flour per cookie?

Back

0.5 cups of flour per cookie.

Front

What is the unit rate of speed if a runner completes 10 miles in 2 hours?

Back

5 miles per hour.

Front

If a store sells 5 notebooks for $10, what is the cost per notebook?

Back

$2.00 per notebook.

Front

How do you find the price per item when given a total price and quantity?

Back

Divide the total price by the quantity. For example, if 3 shirts cost $30, the price per shirt is $30 ÷ 3 = $10.

Front

If a cyclist rides 24 miles in 4 hours, what is the unit rate?

Back

6 miles per hour.

Front

What is the unit rate of gas consumption if a car drives 300 miles on 10 gallons of gas?

Back

30 miles per gallon.

Front

If a person can read 60 pages in 2 hours, what is the reading rate in pages per hour?

Back

30 pages per hour.