Unit Rates

Front

What is a unit rate?

Back

A unit rate is a rate in which the unit in the denominator is 1.

Front

How do you calculate a unit rate from a given quantity?

Back

To calculate a unit rate, divide the quantity by the number of units in the denominator.

Front

If it snowed 14 inches in 5 hours, what is the unit rate of snowfall per hour?

Back

2.8 inches per hour.

Front

What is the unit rate of homework assignments graded by a teacher who grades 25 assignments in 20 minutes?

Back

1.25 assignments per minute.

Front

If a teacher grades 36 homework assignments in 30 minutes, what is the unit rate?

Back

1.2 assignments per minute.

Front

Is grading 25 homework assignments in 20 minutes faster or slower than grading 36 assignments in 30 minutes?

Back

Faster rate.

Front

How do you find the unit rate of words typed per minute if Justin types 408 words in 4 minutes?

Back

Divide 408 by 4 to get 102 words per minute.

Front

What is the formula to find a unit rate?

Back

Unit Rate = Total Quantity / Total Units.

Front

What does a rate compare?

Back

A rate is a ratio that compares quantities with different units.

Front

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

Back

60 miles per hour.