Unit Rates

Front

What is a rate?

Back

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

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total amount by the number of units.

Front

If it costs $46.80 to fill a 13-gallon gas tank, what is the price per gallon?

Back

$3.60 per gallon.

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 mathematical operation do ratios involve?

Back

Division.

Front

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

Back

$8 per pound.

Front

What is a unit rate?

Back

A unit rate is a rate that compares a quantity to one unit of another quantity.

Front

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

Back

60 miles per hour.

Front

What is the formula for finding a unit rate?

Back

Unit Rate = Total Amount / Number of Units.

Front

If a recipe requires 3 cups of flour for 12 cookies, how much flour is needed per cookie?

Back

0.25 cups of flour per cookie.