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 one unit. For example, if a car travels 300 miles in 5 hours, the unit rate is 60 miles per hour.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the first quantity by the second quantity. For example, if you have 150 apples for 5 baskets, the unit rate is 150 ÷ 5 = 30 apples per basket.

Front

What is the unit rate of $9 per hour?

Back

The unit rate of $9 per hour means that for every hour worked, $9 is earned.

Front

If Maya makes $10 an hour, how many hours to earn $150?

Back

It will take Maya 15 hours to earn $150.

Front

How do you find equivalent rates?

Back

To find equivalent rates, set up a proportion and cross-multiply to see if the two rates are equal.

Front

If a car travels 160 miles in 4 hours, what is the speed in miles per hour?

Back

The speed is 40 miles per hour (160 miles ÷ 4 hours).

Front

What is the equivalent rate of 6 miles per gallon?

Back

An equivalent rate of 6 miles per gallon can be expressed as 18 miles to 3 gallons.

Front

If Justin types 408 words in 4 minutes, how many words does he type per minute?

Back

Justin types 102 words per minute (408 words ÷ 4 minutes).

Front

What is the formula for calculating unit rates?

Back

The formula for calculating unit rates is: Unit Rate = Total Quantity ÷ Number of Units.

Front

How can unit rates help in real-life situations?

Back

Unit rates help in making comparisons, budgeting, and understanding costs, such as price per item or speed.