Ratios, Rates, and Unit Rates

Front

What is a Ratio?

Back

A ratio is a comparison of two quantities.

Front

What is a Rate?

Back

A rate is a ratio that compares two different units.

Front

What is a Unit Rate?

Back

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

Front

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

Back

The ratio of flour to sugar is 2 to 3.

Front

How do you simplify the ratio 8:12?

Back

Divide both numbers by their greatest common factor, which is 4. The simplified ratio is 2:3.

Front

What is the ratio of 5 apples to 10 oranges?

Back

The ratio is 1 to 2.

Front

If a car travels 150 miles in 3 hours, what is the unit rate in miles per hour?

Back

The unit rate is 50 miles per hour.

Front

What is the ratio of 4 red apples to 3 green apples?

Back

The ratio is 4 to 3.

Front

If there are 6 boys and 4 girls in a class, what is the ratio of boys to girls?

Back

The ratio of boys to girls is 6 to 4, which simplifies to 3 to 2.

Front

What does it mean if a ratio is expressed as 1:1?

Back

It means that the two quantities are equal.