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 buy 5 apples for $10, 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 travel 150 miles using 5 gallons of gas, the unit rate is 150 miles ÷ 5 gallons = 30 miles per gallon.

Front

If 9 candy bars cost $13.50, what is the price per candy bar?

Back

$1.50 per candy bar.

Front

A teacher grades 25 homework assignments in 20 minutes. How many assignments can he grade in 1 minute?

Back

1.25 assignments per minute.

Front

If you spend $40 on 5 pounds of concrete, what is the cost per pound?

Back

$8 per pound.

Front

Joshua drove 90 miles on 15 gallons of gas. What is the miles per gallon?

Back

6 miles per gallon.

Front

Harry bought 25 pens for $1.00. What is the cost per pen?

Back

$0.04 per pen.

Front

What is the unit rate of speed?

Back

The unit rate of speed is the distance traveled per unit of time, often expressed in miles per hour (mph) or kilometers per hour (km/h).

Front

If a car travels 240 miles in 4 hours, what is the unit rate of speed?

Back

60 miles per hour.

Front

What does it mean if a rate is faster than another?

Back

It means that the first rate covers more units of measurement in the same amount of time compared to the second rate.