Ratio, ratio tables, & equivalent ratios practice

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 can a ratio be expressed?

Back

A ratio can be expressed in three ways: using a colon (a:b), using the word 'to' (a to b), or as a fraction (a/b).

Front

What is the ratio of boys to girls if there are 15 boys and 12 girls?

Back

The ratio of boys to girls is 15:12, which can be simplified to 5:4.

Front

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

Back

The ratio of girls to boys is 7:5.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between two quantities, even if the numbers are different, such as 2:3 and 4:6.

Front

If the ratio of cats to dogs is 3:4, how many cats are there if there are 12 dogs?

Back

If there are 12 dogs, then there are 9 cats, because the ratio 3:4 means for every 3 cats, there are 4 dogs.

Front

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

Back

The ratio of coaches to players is 3:10.

Front

What does 'part to part' ratio mean?

Back

A 'part to part' ratio compares two parts of a whole, such as the number of boys to girls in a class.

Front

What does 'part to whole' ratio mean?

Back

A 'part to whole' ratio compares a part of a group to the entire group, such as the number of girls to the total number of students.

Front

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

Back

The ratio of flour to sugar is 2:3.