Unit Rate

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. For example, if you drive 60 miles in 2 hours, the unit rate is 30 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 you have 50 apples for 5 dollars, the unit rate is 50 ÷ 5 = 10 apples per dollar.

Front

What does the term 'per' indicate in a unit rate?

Back

The term 'per' indicates a ratio or comparison for every one unit of something. For example, 40 miles per hour means 40 miles for every 1 hour.

Front

If a car travels 150 miles using 5 gallons of gas, what is the miles per gallon?

Back

30 miles per gallon (150 miles ÷ 5 gallons = 30 miles/gallon).

Front

What is the unit rate of 120 cookies in 6 boxes?

Back

20 cookies per box (120 cookies ÷ 6 boxes = 20 cookies/box).

Front

If a runner completes 10 laps in 25 minutes, what is the unit rate in laps per minute?

Back

0.4 laps per minute (10 laps ÷ 25 minutes = 0.4 laps/minute).

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total price by the number of units. For example, if a 12-pack of soda costs $6, the unit price is $6 ÷ 12 = $0.50 per soda.

Front

What is the unit rate of 240 miles in 4 hours?

Back

60 miles per hour (240 miles ÷ 4 hours = 60 miles/hour).

Front

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

Back

0.25 cups of flour per cookie (3 cups ÷ 12 cookies = 0.25 cups/cookie).

Front

What is the unit rate of 45 points scored in 3 games?

Back

15 points per game (45 points ÷ 3 games = 15 points/game).