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 a quantity of one. For example, if a car travels 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 quantity of one item by the quantity of another item. For example, if there are 120 customers in 8 hours, the unit rate is 120 ÷ 8 = 15 customers per hour.

Front

If a skydiver falls 144 feet in 3 seconds, how far does the skydiver fall per second?

Back

48 feet per second.

Front

A store sees 120 customers in 8 hours. What is the unit rate in customers per hour?

Back

15 customers per hour.

Front

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

Back

20 customers per hour.

Front

What operation do you use to solve for unit rate?

Back

Division.

Front

If I paid $15.00 for 6 gallons of gasoline, what was the price per gallon?

Back

$2.50 per gallon.

Front

What is the unit rate of 100 miles in 4 hours?

Back

25 miles per hour.

Front

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

Back

0.25 cups of flour per cookie.

Front

How do you express a unit rate as a fraction?

Back

A unit rate can be expressed as a fraction where the numerator is the quantity of interest and the denominator is 1. For example, 60 miles per hour can be written as 60/1.