Unit Rates in Tables

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 single unit. It is often used to determine the cost per item or the speed per hour.

Front

How do you calculate the unit rate from a word problem?

Back

To calculate the unit rate, divide the total quantity by the total cost or time. For example, if a bakery sells 12 cookies for $6, the unit rate is $6 ÷ 12 = $0.50 per cookie.

Front

What is the unit rate of cost per cookie if a bakery sells 12 cookies for $6?

Back

$0.50 per cookie.

Front

How do you find the unit rate from a table of values?

Back

To find the unit rate from a table, divide the cost by the quantity for each row. For example, if the table shows 2 cookies for $5, the unit rate is $5 ÷ 2 = $2.50 per cookie.

Front

What is the unit rate for the following table: Quantity | Cost 2 | $5 4 | $10 6 | $15?

Back

$2.50 per unit.

Front

How do you calculate the unit rate of speed?

Back

To calculate the unit rate of speed, divide the total distance traveled by the total time taken. For example, if a car travels 240 miles in 4 hours, the unit rate is 240 miles ÷ 4 hours = 60 miles per hour.

Front

What is the unit rate of miles per hour if a car travels 240 miles in 4 hours?

Back

60 miles per hour.

Front

What is the unit rate of cost per shirt if a store sells 3 shirts for $45?

Back

$15 per shirt.

Front

How do you interpret data in a table to find the unit rate?

Back

To interpret data in a table for unit rates, look for the relationship between the two quantities and divide one by the other. For example, if the table shows time and distance, divide distance by time to find speed.

Front

What is the unit rate for the following table: Time (hours) | Distance (miles) 1 | 60 2 | 120 3 | 180?

Back

60 miles per hour.