Ratios

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

How can a ratio be expressed?

Back

A ratio can be expressed in three ways: as a fraction (e.g., 6/7), with a colon (e.g., 6:7), or in words (e.g., 6 to 7).

Front

What is the ratio of red toy cars to all toy cars if there are 2 black, 3 red, and 5 white toy cars?

Back

The ratio of red toy cars to all toy cars is 3:10.

Front

Which of the following is NOT a way to write a ratio: 3=4, 3:4, 3/4, 3 to 4?

Back

3=4 is NOT a way to write a ratio.

Front

What is the simplest form of the ratio of red LEGOS to yellow LEGOS if there are 3 red and 6 yellow?

Back

The simplest form of the ratio is 1:2.

Front

If Mary lost 3 out of 5 games, what is the ratio of games lost to games won?

Back

The ratio of games lost to games won is 3:2.

Front

What does it mean if a ratio is in simplest form?

Back

A ratio is in simplest form when the two quantities cannot be reduced any further.

Front

How do you find the total number of items in a ratio problem?

Back

To find the total, add all parts of the ratio together.

Front

If a recipe calls for a ratio of 2:3 of sugar to flour, how much flour is needed for 4 cups of sugar?

Back

If the ratio is 2:3, then for 4 cups of sugar, you need 6 cups of flour.

Front

What is the ratio of 8 apples to 4 oranges?

Back

The ratio of 8 apples to 4 oranges is 2:1.