Intro to 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'.

Front

How can a ratio be written?

Back

A ratio can be written in several ways: as 'a:b', 'a/b', or 'a to b'. It cannot be written as 'a = b'.

Front

What is the ratio of 10 apples to 6 bananas?

Back

The ratio is 10:6.

Front

What is an equivalent ratio?

Back

An equivalent ratio is a ratio that expresses the same relationship between quantities, even if the numbers are different, such as 3:5 and 6:10.

Front

How do you simplify a ratio?

Back

To simplify a ratio, divide both terms by their greatest common divisor (GCD). For example, to simplify 12:20, divide both by 4 to get 3:5.

Front

What is the ratio of green beans to peas if there are 31 green beans and 13 peas?

Back

The ratio is 31:13.

Front

If the ratio of smiley faces to hearts is 6:4, what is the simplified ratio?

Back

The simplified ratio is 3:2.

Front

What is the ratio of 8 oranges to 4 apples?

Back

The ratio is 8:4, which simplifies to 2:1.

Front

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

Back

The ratio is 2:3.

Front

What is the ratio of 15 to 25?

Back

The ratio is 15:25, which simplifies to 3:5.