Unit Rates 11/21

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 one unit. For example, if you earn $50 for 2 hours of work, the unit rate is $25 per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the first quantity by the second quantity. For example, if you have 10 apples for $5, the unit rate is 5 apples per dollar.

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the unit rate of 15 dollars for 3 hours?

Back

$5 per hour.

Front

If a runner completes a 10-kilometer race in 50 minutes, what is the average speed in kilometers per minute?

Back

0.2 km/min.

Front

Which is a better buy: a 12 pack of soda for $3.50 or a 6 pack for $1.80?

Back

The 12 pack of soda is a better buy.

Front

What is the unit rate of 100 miles in 4 hours?

Back

25 miles per hour.

Front

If you buy 8 oranges for $4, what is the price per orange?

Back

$0.50 per orange.

Front

What is the unit rate of 60 miles in 2 hours?

Back

30 miles per hour.

Front

If a recipe calls for 3 cups of flour for 12 cookies, what is the unit rate of flour per cookie?

Back

0.25 cups of flour per cookie.