Finding Unit Rates

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, expressed as 'per one thing.'

Front

How do you find a unit rate?

Back

To find a unit rate, divide the top number (numerator) by the bottom number (denominator).

Front

What is the unit rate of 90 miles in 2 hours?

Back

45 miles per hour.

Front

If a car travels 135 miles in 3 hours, what is the unit rate?

Back

45 miles per hour.

Front

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

Back

$6.80 per hour.

Front

If you have the ratio of $30 to 5 hours of work, how do you find the unit rate?

Back

Divide $30 by 5 hours.

Front

What does it mean if a unit rate is expressed as a decimal?

Back

It means the unit rate is simplified to show the value per one unit in decimal form.

Front

What is the unit rate of 60 miles in 4 hours?

Back

15 miles per hour.

Front

If a recipe requires 3 cups of flour for 12 cookies, what is the unit rate of flour per cookie?

Back

0.25 cups of flour per cookie.

Front

What is the unit rate of 150 calories burned in 30 minutes?

Back

5 calories per minute.