Unit Rates

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the total amount of one quantity by the total amount of the other quantity. For example, if you spend $40 on 5 pounds of concrete, the unit rate is $40 ÷ 5 = $8 per pound.

Front

If Maya makes $10 an hour, how many hours will it take her to earn $150?

Back

15 hours.

Front

What is the unit rate in dollars per pound if you spend $40 on 5 pounds of concrete?

Back

$8 per pound.

Front

If Will spent $3.75 for 3 pounds of granola, what is his unit rate in dollars per pound?

Back

$1.25 per pound.

Front

After 3 hours, Ernie had travelled 195 miles. How far will he have travelled after 5 hours at the same speed?

Back

325 miles.

Front

What is the price of gas per gallon if it cost $46.80 to fill a 13-gallon gas tank?

Back

$3.60 per gallon.

Front

What is the formula to find the unit rate?

Back

Unit Rate = Total Amount of Quantity 1 ÷ Total Amount of Quantity 2.

Front

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

Back

60 miles per hour.

Front

How do you convert a total cost to a unit price?

Back

Divide the total cost by the number of units to find the cost per unit.