Ratios and Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is a rate?

Back

A rate is a ratio that compares two different kinds of quantities, often expressed as a quantity per unit of another quantity.

Front

What is a unit rate?

Back

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

Front

How do you find a unit rate from a ratio?

Back

To find a unit rate, divide both quantities in the ratio by the quantity in the denominator.

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

What does it mean for two ratios to be equivalent?

Back

Two ratios are equivalent if they represent the same relationship between quantities, even if the numbers are different.

Front

If Jose swims 3 laps in 2 minutes, how many laps does he swim in 1 minute?

Back

1.5 laps.

Front

What is the incorrect way to write a ratio?

Back

X and Y.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much sugar is needed for 6 cups of flour?

Back

4 cups of sugar.

Front

What is the ratio of 15 to 25 in simplest form?

Back

3:5.