Ratios, Rates, and Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division.

Front

What is a rate?

Back

A rate is a ratio that compares two different kinds of quantities.

Front

What is a unit rate?

Back

A unit rate is a rate in which the second quantity is one.

Front

How do you find a unit rate?

Back

To find a unit rate, divide the first quantity by the second quantity.

Front

If a car travels 120 miles in 2 hours, what is the unit rate in miles per hour?

Back

60 miles per hour.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions.

Front

Are the ratios 3:4 and 6:8 equivalent?

Back

Yes, they are equivalent ratios.

Front

What operation do you use to simplify a ratio?

Back

You use division to simplify a ratio.

Front

If a recipe calls for 2 cups of flour for every 3 cups of sugar, what is the ratio of flour to sugar?

Back

The ratio of flour to sugar is 2:3.

Front

How do you convert a ratio to a percentage?

Back

To convert a ratio to a percentage, divide the first number by the total and multiply by 100.