Unit Rates Review

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

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, ensuring the second quantity is 1.

Front

If Tyler runs 12 miles in 3 hours, what is his speed in miles per hour?

Back

4 miles per hour.

Front

If John runs 18 miles in 6 hours, how many miles does he run in one hour?

Back

3 miles.

Front

Maria flies 1,000 miles in 10 hours. What is her speed in miles per hour?

Back

100 miles per hour.

Front

What is the formula for solving proportions?

Back

Cross-multiply the two ratios and set them equal to each other.

Front

If Sasha mows 3/8 of an acre in 3/4 of an hour, how do you find her mowing rate per hour?

Back

Divide 3/8 by 3/4 to find acres per hour.

Front

What is the result of 3/8 ÷ 3/4?

Back

1/2 acre per hour.

Front

What does it mean if a runner can run 5 miles per hour or less?

Back

It means the runner's speed is at or below the threshold of 5 miles per hour.

Front

How do you convert hours to minutes when calculating rates?

Back

Multiply the number of hours by 60.