Ratios

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., 3:4), as a fraction (e.g., 3/4), or in words (e.g., 3 to 4).

Front

What does a ratio of 3:4 mean?

Back

It means for every 3 units of the first quantity, there are 4 units of the second quantity.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both sides by their greatest common divisor (GCD).

Front

What is the ratio of red circles to blue stars if there are 7 red circles and 4 blue stars?

Back

The ratio is 7:4.

Front

If the ratio of squares to triangles is 3:15, what is the simplified ratio?

Back

The simplified ratio is 1:5.

Front

What is the ratio of red apples to green apples if there are 4 red apples and 3 green apples?

Back

The ratio is 4:3.

Front

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

Back

Molly will have 9 cats.

Front

What is the total number of toy cars if Patrick has 2 black, 3 red, and 5 white toy cars?

Back

Patrick has a total of 10 toy cars.

Front

What is the ratio of red toy cars to all toy cars if Patrick has 3 red toy cars out of 10 total?

Back

The ratio is 3:10.