Unit Rates Retest

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 can buy 3 apples for $1, the unit rate is $0.33 per apple.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity of one item by the quantity of another item. For example, if you travel 150 miles in 3 hours, the unit rate is 150 miles ÷ 3 hours = 50 miles per hour.

Front

Which is the better deal: $2.98 for 15 oz of Oreos or $2.50 for 14 oz of Chips Ahoy?

Back

Chips Ahoy is the better deal.

Front

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Back

Antonia can type 102 words per minute.

Front

What is the unit cost of 15 pizzas that cost $97.50?

Back

The unit cost is $6.50 per pizza.

Front

If Ernie travels 195 miles in 3 hours, how far will he travel in 5 hours?

Back

Ernie will travel 325 miles in 5 hours.

Front

Which is the better buy: a 12 ounce can of corn for $1.92 or a 20 ounce can for $3.00?

Back

The 20 ounce can is the better buy.

Front

What is the formula for finding the unit rate?

Back

The formula for finding the unit rate is: Unit Rate = Total Quantity / Number of Units.

Front

If a car travels 240 miles in 4 hours, what is its speed in miles per hour?

Back

The speed is 60 miles per hour.

Front

How do you determine if one price is a better deal than another?

Back

To determine if one price is a better deal, calculate the unit price for each option and compare them.