Ratios and 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' or a:b.

Front

How do you write the ratio of 4 red apples to 3 green apples?

Back

4 red apples to 3 green apples can be written as 4:3.

Front

What does equivalent ratios mean?

Back

Equivalent ratios are two or more ratios that express the same relationship between numbers, such as 1:2 and 2:4.

Front

What is a part-to-part ratio?

Back

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

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares a part of a group to the entire group, such as the ratio of trumpet players to the total number of kids.

Front

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

Back

The ratio of boys to girls is 5:7.

Front

How do you determine if two ratios are equivalent?

Back

Two ratios are equivalent if they can be simplified to the same fraction or if they represent the same relationship.

Front

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

Back

The ratio of coaches to players is 3:10.

Front

If Mrs. Shelly paid $3 for 6 muffins, what is the cost per muffin?

Back

The cost per muffin is $0.50.

Front

What is the ratio of 6 muffins to 18 muffins?

Back

The ratio of 6 muffins to 18 muffins is 1:3.