Flashcard 4: 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 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the quantity of one item by the quantity of another item. For example, if you have 10 apples for $5, the unit rate is $5 ÷ 10 apples = $0.50 per apple.

Front

If Kiontre reads 100 pages in 5 days, how many pages does he read in 1 day?

Back

20 pages per day.

Front

A pump moves 42 gallons in 7 minutes. What is the unit rate in gallons per minute?

Back

6 gallons per minute.

Front

If $279 is spent on 9 concert tickets, what is the cost per ticket?

Back

$31 per ticket.

Front

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

Back

$8 per pound.

Front

Maria walks 12 miles in 3 hours. How many miles does she walk per hour?

Back

4 miles per hour.

Front

What is the formula for finding the unit rate?

Back

Unit Rate = Total Quantity / Number of Units.

Front

If a car travels 150 miles in 3 hours, what is the speed in miles per hour?

Back

50 miles per hour.

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 total quantity and the denominator is the number of units. For example, 60 miles per hour can be written as 60/1.