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 1. It shows how much of one item is compared to one unit of another item.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity of one item by the total quantity of the other item.

Front

If 4 pounds of bananas cost $6, what is the cost per pound?

Back

$1.50 per pound.

Front

What is the unit rate of 44 stamps on 4 sheets?

Back

11 stamps per sheet.

Front

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

Back

$8 per pound.

Front

What is a ratio?

Back

A ratio is a relationship between two numbers indicating how many times the first number contains the second.

Front

How can a ratio be expressed?

Back

A ratio can be expressed in three ways: as a fraction (3/4), with a colon (3:4), or in words (3 to 4).

Front

Which of the following is NOT a way to write a ratio: 3=4, 3:4, 3/4, 3 to 4?

Back

3=4 is NOT a way to write a ratio.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

4 to 3.

Front

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

Back

60 miles per hour.