Rate and Unit Rate

Front

What is a rate?

Back

A rate is a ratio that compares quantities with different units.

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

102 words per minute.

Front

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Back

$8 per pound.

Front

If Maya makes $10 an hour at her after school job, how many hours will it take her to earn $150?

Back

15 hours.

Front

Which size bag of dog food has the lowest cost per pound?

Back

The 20-lb bag.

Front

How do you calculate the unit rate?

Back

Divide the total amount by the number of units.

Front

What is the unit rate if you travel 300 miles in 5 hours?

Back

60 miles per hour.

Front

If a car uses 12 gallons of gas to travel 300 miles, what is the unit rate in miles per gallon?

Back

25 miles per gallon.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Amount / Number of Units.

Front

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

Back

0.25 cups of flour per cookie.