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 drive 60 miles in 1 hour, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if 4 students spent $9.40 on lunches, the unit rate per student is $9.40 ÷ 4 = $2.35.

Front

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

Back

The unit rate is 240 miles ÷ 4 hours = 60 miles per hour.

Front

A recipe requires 3 cups of flour for 12 cookies. What is the unit rate of flour per cookie?

Back

The unit rate is 3 cups ÷ 12 cookies = 0.25 cups of flour per cookie.

Front

If a spider travels 10 feet in 25 minutes, how many feet does it travel in 1 minute?

Back

The unit rate is 10 feet ÷ 25 minutes = 0.4 feet per minute.

Front

What is the unit rate of cost per item?

Back

The unit rate of cost per item is calculated by dividing the total cost by the number of items. For example, if 5 tickets cost $51.54, the unit rate is $51.54 ÷ 5 = $10.31 per ticket.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the quantity. For example, if 3 pounds of apples cost $6, the unit price is $6 ÷ 3 = $2 per pound.

Front

If a person reads 231 pages in 8 hours, how many pages do they read in 1 hour?

Back

The unit rate is 231 pages ÷ 8 hours = 28.875 pages per hour.

Front

What is the importance of unit rates in real life?

Back

Unit rates help compare prices, speeds, and other quantities, making it easier to make informed decisions, such as finding the best deal or understanding travel times.

Front

If a cyclist rides 150 miles in 5 hours, what is their speed in miles per hour?

Back

The unit rate is 150 miles ÷ 5 hours = 30 miles per hour.