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 one unit. It is often used to determine the cost per item or the rate of something per one unit.

Front

How do you calculate a unit rate?

Back

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

Front

If you buy 8 items for $14, how do you find the price per item?

Back

Divide the total cost by the number of items: $14 ÷ 8 = $1.75 per item.

Front

What is the unit rate of 120 customers in 8 hours?

Back

To find the unit rate, divide the total number of customers by the total hours: 120 ÷ 8 = 15 customers per hour.

Front

If Ilana made $45 for 6 hours of babysitting, how much does she earn per hour?

Back

Divide the total earnings by the total hours: $45 ÷ 6 = $7.50 per hour.

Front

What is the unit rate if Will spent $3.75 for 3 pounds of granola?

Back

To find the unit rate, divide the total cost by the total pounds: $3.75 ÷ 3 = $1.25 per pound.

Front

What does 'per' mean in unit rates?

Back

'Per' indicates a ratio or comparison between two quantities, often used to express how much of one quantity corresponds to one unit of another.

Front

Why are unit rates useful?

Back

Unit rates help compare prices, speeds, or other quantities in a standardized way, making it easier to make informed decisions.

Front

If a car travels 300 miles in 5 hours, what is the speed in miles per hour?

Back

Divide the total distance by the total time: 300 miles ÷ 5 hours = 60 miles per hour.

Front

How do you convert a fraction to a unit rate?

Back

To convert a fraction to a unit rate, divide the numerator by the denominator to express it as a single quantity per one unit.