Unit Rates

Front

What is a unit rate?

Back

A unit rate is the amount of one quantity per one unit of another quantity, often expressed as a ratio.

Front

How do you calculate a unit rate?

Back

To calculate a unit rate, divide the quantity by the number of units. For example, if you travel 120 miles in 2 hours, the unit rate is 120 miles ÷ 2 hours = 60 miles per hour.

Front

What does a straight line on a graph indicate about unit rates?

Back

A straight line on a graph indicates a constant unit rate, meaning the relationship between the two quantities is proportional.

Front

If a car travels 180 miles in 3 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the unit rate of 14 inches of snow in 5 hours?

Back

2.8 inches per hour.

Front

Which of the following is a unit rate: 50 miles in 2 hours or 25 miles per hour?

Back

25 miles per hour is a unit rate.

Front

What is the unit rate for 100 apples sold for $200?

Back

The unit rate is $2 per apple.

Front

If a recipe requires 4 cups of flour for 8 servings, what is the unit rate of flour per serving?

Back

0.5 cups of flour per serving.

Front

What is the difference between a ratio and a unit rate?

Back

A ratio compares two quantities, while a unit rate expresses one quantity in relation to one unit of another quantity.

Front

If a bike travels 30 miles in 1.5 hours, what is the unit rate?

Back

20 miles per hour.