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. It can be expressed in three ways: as a fraction (e.g., 3/5), with a colon (e.g., 3:5), or in words (e.g., 3 to 5).

Front

Which of the following is NOT a way to write a ratio? 3 to 5, 3:5, 3 - 5

Back

3 - 5 is NOT a way to write a ratio.

Front

How do you find the ratio of pears to bananas and apples if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to bananas and apples is 5:6.

Front

What is the simplified ratio of girls to boys if there are 15 boys and 10 girls?

Back

The simplified ratio of girls to boys is 2 to 3.

Front

Which ratio simplifies to 4 to 7? 8 to 14, 16 to 17, 20 to 27, 40 to 77

Back

8 to 14 simplifies to 4 to 7.

Front

What is the ratio of apples to total fruits if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of apples to total fruits is 4:11.

Front

If a recipe calls for a ratio of 2 cups of flour to 3 cups of sugar, how many cups of sugar are needed for 4 cups of flour?

Back

For 4 cups of flour, you need 6 cups of sugar (ratio 2:3).

Front

What is the ratio of boys to girls if there are 15 boys and 10 girls?

Back

The ratio of boys to girls is 3 to 2.

Front

If the ratio of cats to dogs is 4:5, how many dogs are there if there are 12 cats?

Back

If there are 12 cats, there are 15 dogs (4:5 ratio).

Front

What is the missing number in the ratio 3:__ = 6:12?

Back

The missing number is 6.