Writing Ratios

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:b' or 'a/b'.

Front

How do you write a ratio in simplest form?

Back

To write a ratio in simplest form, divide both terms of the ratio by their greatest common divisor (GCD).

Front

What does a part-to-part ratio represent?

Back

A part-to-part ratio compares two parts of a whole, showing the relationship between them.

Front

What does a part-to-whole ratio represent?

Back

A part-to-whole ratio compares a part of a whole to the entire whole, showing how much of the whole is made up by that part.

Front

If there are 3 red balls and 5 blue balls, what is the ratio of red to blue?

Back

3:5

Front

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

Back

2:3

Front

What is the ratio of 4 apples to 12 fruits?

Back

4:12 or 1:3 in simplest form.

Front

How do you convert a ratio to a fraction?

Back

To convert a ratio to a fraction, write the first term as the numerator and the second term as the denominator.

Front

What is the ratio of 10 to 5?

Back

10:5 or 2:1 in simplest form.

Front

If there are 8 cats and 4 dogs, what is the ratio of dogs to total animals?

Back

4:12 or 1:3.