Ratios

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows 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., 3:2), as a fraction (e.g., 3/2), or in words (e.g., '3 to 2').

Front

What is the ratio of red marbles to yellow marbles if there are 2 red and 5 yellow?

Back

The ratio of red to yellow marbles is 2:5.

Front

If there are 4 apples, 2 bananas, and 5 pears, what is the ratio of pears to all fruit?

Back

The ratio of pears to all fruit is 5:11.

Front

What is the ratio of monkeys to bananas if there are 4 monkeys and 5 bananas?

Back

The ratio of monkeys to bananas is 4:5.

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

How do you simplify a ratio?

Back

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

Front

What is the simplest form of the ratio 24 players to 3 teams?

Back

The simplest form of the ratio is 8:1.

Front

What does it mean if a ratio is expressed as a fraction?

Back

Expressing a ratio as a fraction shows the relationship between the two quantities in a numerical form.

Front

If the ratio of cats to dogs is 3:4, how many dogs are there if there are 9 cats?

Back

If there are 9 cats, there are 12 dogs (since 3:4 means for every 3 cats, there are 4 dogs).