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 one unit. It is often used to determine the cost per item or the speed per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if you have 25 pens for $1.00, the unit rate is $1.00 ÷ 25 = $0.04 per pen.

Front

If you buy 12 apples for $3.00, what is the unit rate?

Back

$3.00 ÷ 12 apples = $0.25 per apple.

Front

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

Back

60 miles ÷ 2 hours = 30 miles per hour.

Front

If a car travels 150 miles on 5 gallons of gas, what is the unit rate in miles per gallon?

Back

150 miles ÷ 5 gallons = 30 miles per gallon.

Front

Which is a faster reading rate: 4 pages in 10 minutes or 5 pages in 12 minutes?

Back

4 pages in 10 minutes = 0.4 pages per minute; 5 pages in 12 minutes = 0.4167 pages per minute. 5 pages in 12 minutes is faster.

Front

If you earn $50 for 10 hours of work, what is your unit rate in dollars per hour?

Back

$50 ÷ 10 hours = $5 per hour.

Front

What is the unit rate of 8 pounds of apples for $16?

Back

$16 ÷ 8 pounds = $2 per pound.

Front

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

Back

3 cups ÷ 12 cookies = 0.25 cups per cookie.

Front

How do you find the slowest rate among different options?

Back

To find the slowest rate, calculate the unit rate for each option and compare them. The lowest unit rate indicates the slowest rate.