Understanding 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 one unit. For example, if you travel 60 miles in 2 hours, the unit rate is 30 miles per hour.

Front

How do you find a unit rate?

Back

To find a unit rate, you divide the top number (numerator) by the bottom number (denominator).

Front

What operation do you use to calculate unit rate?

Back

Division.

Front

If 12 pencils cost $3.60, what is the cost per pencil?

Back

$0.30 per pencil (divide $3.60 by 12).

Front

Which of the following is a unit rate: 10 miles / 2 hours, $6 for each hour, 1 box / $3, 15 pounds every 5 servings?

Back

$6 for each hour.

Front

What is the relationship between rates and unit rates?

Back

Both rates and unit rates compare two different quantities of information.

Front

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

Back

50 miles per hour (150 miles ÷ 3 hours).

Front

What is the unit rate for 5 apples costing $2.50?

Back

$0.50 per apple (divide $2.50 by 5).

Front

How do you express a rate as a unit rate?

Back

By simplifying the rate to show how much of one quantity corresponds to one unit of another quantity.

Front

If a recipe requires 4 cups of flour for 2 loaves of bread, what is the unit rate of flour per loaf?

Back

2 cups of flour per loaf (4 cups ÷ 2 loaves).