Rates, Ratios, Proportions Test

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another.

Front

What is a rate?

Back

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

Front

What is a unit rate?

Back

A unit rate is a rate in which the denominator is 1, showing how much of one quantity corresponds to one unit of another quantity.

Front

Are the rates 2 miles in 15 minutes and 3 miles in 25 minutes proportional?

Back

No, these rates are not proportional.

Front

How do you find a unit rate from a ratio?

Back

To find a unit rate, divide the first quantity by the second quantity to express it per one unit of the second quantity.

Front

What is the unit rate for 16oz for every 2 hours?

Back

The unit rate is 8oz per hour.

Front

If a recipe calls for 3 cups of flour for 4 servings, what is the unit rate of flour per serving?

Back

The unit rate is 0.75 cups of flour per serving.

Front

What is the difference between a ratio and a rate?

Back

A ratio compares two quantities of the same kind, while a rate compares two quantities of different kinds.

Front

If you travel 60 miles in 1 hour, what is your speed in miles per hour?

Back

Your speed is 60 miles per hour.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio.