Unit Rate and Rate Tables

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 a quantity of one. 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 from a rate table?

Back

To calculate a unit rate from a rate table, divide the quantity of the first column by the quantity of the second column to find the rate per one unit.

Front

If a recipe calls for 240 calories for 3 servings, how many calories are in one serving?

Back

80 calories per serving.

Front

What is the formula to find the speed in miles per hour?

Back

Speed (mph) = Total Distance (miles) / Total Time (hours).

Front

If a rate table shows 3 to 5, what does this mean?

Back

This means for every 3 units of one quantity, there are 5 units of another quantity.

Front

Which of the following is equivalent to the ratio 3:5?

Back

15:25 and 30:50 are equivalent ratios.

Front

How do you determine which option has the most calories per serving?

Back

Calculate the calories per serving for each option and compare them.

Front

If Mrs. Esposito drove 585 miles in 9 hours, what was her speed?

Back

65 mph.

Front

What is the relationship between unit rates and equivalent ratios?

Back

Unit rates can be used to find equivalent ratios by scaling up or down.

Front

If a candy bar has 100 calories for 5 servings, how many calories are in one serving?

Back

20 calories per serving.