Ratios/Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a to b'.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using the word 'to' (e.g., 3 to 4), using a colon (e.g., 3:4), or as a fraction (e.g., 3/4).

Front

What is the ratio of boys to girls if there are 5 boys and 7 girls?

Back

The ratio of boys to girls is 5 to 7.

Front

If you have 2 red marbles and 3 blue marbles, what is the ratio of red to blue marbles?

Back

The ratio of red to blue marbles is 2 to 3.

Front

How do you simplify the ratio 8:12?

Back

To simplify the ratio 8:12, divide both numbers by their greatest common divisor, which is 4. The simplified ratio is 2:3.

Front

What is the ratio of coaches to players if there are 3 coaches and 10 players?

Back

The ratio of coaches to players is 3 to 10.

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 to 3.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio of red apples to green apples is 4 to 3.

Front

If you need 2 tablets of iodine for 1 quart of water, how many tablets do you need for 4 quarts?

Back

You need 8 tablets of iodine for 4 quarts of water.

Front

What is the ratio of red marbles to yellow marbles if there are 2 red marbles and 5 yellow marbles?

Back

The ratio of red marbles to yellow marbles is 2 to 5.