Unit Rate Flashcard

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 you travel 60 miles in 2 hours, the unit rate is 30 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 earn $90 for 5 hours of work, the unit rate is $90 ÷ 5 hours = $18 per hour.

Front

What does the ordered pair (5, 90) represent in terms of unit rate?

Back

The ordered pair (5, 90) represents that for every 5 hours worked, $90 is earned.

Front

If Juliana burns 465 calories in 4 hours, what is her unit rate of calories burned per hour?

Back

Juliana's unit rate is 116.25 calories per hour, calculated as 465 calories ÷ 4 hours.

Front

What is the unit rate if Kim travels 450 miles in 6 hours?

Back

Kim's unit rate is 75 miles per hour, calculated as 450 miles ÷ 6 hours.

Front

How do you find the cost per pound if you spend $40 on 5 pounds of concrete?

Back

To find the cost per pound, divide the total cost by the total weight: $40 ÷ 5 pounds = $8 per pound.

Front

What is the cost per pound of bananas if 4 pounds cost $6?

Back

The cost per pound of bananas is $1.50, calculated as $6 ÷ 4 pounds.

Front

What is the significance of unit rates in real-life situations?

Back

Unit rates help compare different quantities in a standardized way, making it easier to understand costs, speeds, and other rates.

Front

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

Back

The unit rate is 60 miles per hour, calculated as 300 miles ÷ 5 hours.

Front

What is the unit rate of calories burned if a person burns 240 calories in 3 hours?

Back

The unit rate is 80 calories per hour, calculated as 240 calories ÷ 3 hours.