Rates and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

Are 4 : 5 and 8 : 15 equivalent ratios?

Back

No

Front

Ken can walk 40 dogs in 8 hours. How many dogs can he walk in one hour?

Back

5 dogs per hour

Front

Are 1 : 2 and 2 : 4 equivalent ratios?

Back

Yes

Front

What is a unit rate?

Back

A unit rate is a rate in which the unit in the denominator is 1.

Front

What is a rate?

Back

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

Front

If a car travels 300 miles in 5 hours, what is the unit rate in miles per hour?

Back

60 miles per hour

Front

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities.

Front

If a recipe requires 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 find a unit rate from a rate?

Back

To find a unit rate, divide the numerator by the denominator.