Ratios

Front

What is a ratio?

Back

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

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (e.g., 3:5), as a fraction (e.g., 3/5), or in words (e.g., 3 to 5).

Front

What does the ratio 6:7 mean?

Back

The ratio 6:7 means that for every 6 parts of one quantity, there are 7 parts of another quantity.

Front

If there are 6 red dots and 3 green dots, what is the ratio of red dots to green dots?

Back

The ratio of red dots to green dots is 6:3, which simplifies to 2:1.

Front

What is the ratio of green dots to orange dots if there are 3 green dots and 5 orange dots?

Back

The ratio of green dots to orange dots is 3:5.

Front

How do you simplify the ratio 10:20?

Back

To simplify the ratio 10:20, divide both numbers by their greatest common divisor, which is 10. The simplified ratio is 1:2.

Front

What is the total number of parts in the ratio 10:12?

Back

The total number of parts in the ratio 10:12 is 10 + 12 = 22.

Front

If there are 10 girls for every 12 boys, what is the ratio of girls to boys?

Back

The ratio of girls to boys is 10:12, which simplifies to 5:6.

Front

If there are 14 dogs and 13 cats, what is the ratio of dogs to cats?

Back

The ratio of dogs to cats is 14:13.

Front

If there are 50 girls and the ratio of girls to boys is 10:12, how many boys are there?

Back

If there are 50 girls, there are 60 boys.