7th Grade Milestone Review - Comparing 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 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 price of an item?

Back

To calculate the unit price, divide the total price of the item by the number of units (e.g., ounces, liters) it contains. For example, if a 16 oz. container costs $2.55, the unit price is $2.55 ÷ 16 = $0.159 per ounce.

Front

Why is it important to compare unit rates?

Back

Comparing unit rates helps consumers determine which product offers the best value for their money, allowing them to make informed purchasing decisions.

Front

If a 2-liter bottle of soda costs $1.39, what is the unit price per liter?

Back

The unit price per liter is $1.39 ÷ 2 = $0.695 per liter.

Front

If a box of crackers costs $2.70 for 13.7 oz, what is the unit price per ounce?

Back

The unit price per ounce is $2.70 ÷ 13.7 = $0.197 per ounce.

Front

What is the better deal: 8 oz of sour cream for $1.49 or 16 oz for $2.55?

Back

The unit price for 8 oz is $1.49 ÷ 8 = $0.18625 per ounce, and for 16 oz is $2.55 ÷ 16 = $0.159375 per ounce. The better deal is the 16 oz for $2.55.

Front

How do you determine which product is a better deal when given two options?

Back

Calculate the unit price for each option and compare them. The option with the lower unit price is the better deal.

Front

What is the unit price of Goldfish crackers priced at $1.99 for 7.2 oz?

Back

The unit price is $1.99 ÷ 7.2 = $0.2764 per ounce.

Front

What is the unit price of Cheez-its priced at $2.70 for 13.7 oz?

Back

The unit price is $2.70 ÷ 13.7 = $0.1971 per ounce.

Front

If Sargento cheese slices cost $2.48 for 10 slices, what is the unit price per slice?

Back

The unit price per slice is $2.48 ÷ 10 = $0.248 per slice.