Introduction to Ratios

Front

What is a ratio?

Back

A ratio is a way to compare two or more quantities by division, showing how many times one value contains or is contained within the other.

Front

How can a ratio be expressed?

Back

Front

If there are 5 boys and 7 girls, what is the ratio of girls to boys?

Back

7 to 5

Front

In a fruit basket, if there are 9 bananas and 4 apples, what is the ratio of bananas to apples?

Back

9:4

Front

True or False: Ratios can only compare two values.

Back

False. Ratios can compare two or more values.

Front

What is the ratio of 10 soccer players to 3 coaches?

Back

3:10

Front

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

Back

2:3

Front

What does it mean if a ratio is simplified?

Back

Simplifying a ratio means reducing it to its smallest whole number form while maintaining the same relationship between the quantities.

Front

If the ratio of cats to dogs is 4:5, how many cats are there if there are 20 dogs?

Back

16 cats (4/5 = x/20, so x = 16).

Front

What is the ratio of 12 red marbles to 8 blue marbles?

Back

3:2 (simplified from 12:8).