7th Grade Milestone Review - 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 you buy 5 apples for $10, the unit rate is $2 per apple.

Front

How do you calculate the unit rate?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if you have 75 pieces of candy in a 15 oz bag, the unit rate is 75 pieces ÷ 15 oz = 5 pieces per ounce.

Front

If it costs $5 for 2 pounds of gravel, what is the unit rate in dollars per pound?

Back

$5 ÷ 2 pounds = $2.50 per pound.

Front

Ricky made $600 in two weeks. What is the unit rate in dollars per week?

Back

$600 ÷ 2 weeks = $300 per week.

Front

Lisa made $300 in 6 hours. What is the unit rate in dollars per hour?

Back

$300 ÷ 6 hours = $50 per hour.

Front

What is the unit rate of 40 dollars for 5 pounds of concrete?

Back

$40 ÷ 5 pounds = $8 per pound.

Front

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

Back

300 miles ÷ 5 hours = 60 miles per hour.

Front

What does it mean if a unit rate is expressed as 'dollars per item'?

Back

It means the cost of one item is being compared to the total cost. For example, if 10 items cost $50, the unit rate is $5 per item.

Front

How can unit rates help in making decisions?

Back

Unit rates allow for easy comparison between different options, helping to determine which option offers the best value.

Front

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

Back

4 cups ÷ 2 loaves = 2 cups of flour per loaf.