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 a car travels 300 miles in 5 hours, 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 you have 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Front

If Sophia walked 6 miles in 90 minutes, how many miles did she walk each hour?

Back

4 miles.

Front

If Theo's mom bought an 8 pack of juice boxes for $4, how much did each juice box cost?

Back

$0.50.

Front

How do you find the cost per item when given the total cost and quantity?

Back

Divide the total cost by the number of items. For example, if the total cost is $38.40 for 20 shirts, the cost per shirt is $38.40 ÷ 20 = $1.92.

Front

If Sam's mom paid $51.54 for 6 children's tickets, how much was each child's ticket?

Back

$8.59.

Front

What is the formula for calculating the average daily earnings?

Back

Average daily earnings = Total earnings ÷ Number of days.

Front

If Joe made $113.55 after 5 days, how much did he make each day?

Back

$22.71.

Front

What is the relationship between unit rates and ratios?

Back

Unit rates are a specific type of ratio where the second quantity is 1. For example, a ratio of 3:1 is a unit rate of 3.

Front

How can unit rates help in making comparisons?

Back

Unit rates allow for easy comparison between different quantities by standardizing them to a common unit.