Ratios Checkup

Front

What is a ratio?

Back

A ratio is a comparison of two quantities by division, showing how many times one value contains or is contained within the other.

Front

How do you write a ratio?

Back

Ratios can be written in three ways: using a colon (e.g., 1:3), as a fraction (e.g., 1/3), or with the word 'to' (e.g., 1 to 3).

Front

What does a ratio of 1:3 mean?

Back

It means for every 1 of the first quantity, there are 3 of the second quantity.

Front

If there are 4 red apples and 3 green apples, what is the ratio of red apples to green apples?

Back

The ratio of red apples to green apples is 4:3.

Front

If Molly has 2 dogs for every 3 cats, how many cats does she have if she has 6 dogs?

Back

Molly has 9 cats.

Front

What is the ratio of triangles to squares if there are 4 triangles and 3 squares?

Back

The ratio of triangles to squares is 4:3.

Front

If 30 kids like grape juice and the ratio of kids who like pineapple juice is 4:3, how many kids like pineapple juice?

Back

40 kids like pineapple juice.

Front

What is a part-to-part ratio?

Back

A part-to-part ratio compares two different parts of a whole.

Front

What is a part-to-whole ratio?

Back

A part-to-whole ratio compares one part of a whole to the entire whole.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor.