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'.

Front

How do you write a ratio?

Back

A ratio can be written in three ways: using a colon (a:b), as a fraction (a/b), or with the word 'to' (a to b).

Front

What does the ratio 4:1 mean?

Back

The ratio 4:1 means that for every 4 units of the first quantity, there is 1 unit of the second quantity.

Front

If there are 8 red apples and 2 green apples, what is the ratio of red apples to green apples?

Back

The ratio of red apples to green apples is 8:2, which can be simplified to 4:1.

Front

What is the ratio of legs to heads if there are 4 legs for every 1 head?

Back

The ratio of legs to heads is 4:1.

Front

How do you simplify the ratio 20:16?

Back

To simplify the ratio 20:16, divide both numbers by their greatest common divisor, which is 4. The simplified ratio is 5:4.

Front

What is the ratio of pink stripes to green stripes if there are 16 pink stripes and 20 green stripes?

Back

The ratio of pink stripes to green stripes is 16:20, which can be simplified to 4:5.

Front

If there are 6 squares and 2 stars, what is the ratio of squares to stars?

Back

The ratio of squares to stars is 6:2, which can be simplified to 3:1.

Front

What is the total number of shapes if there are 3 stars and 4 other shapes?

Back

The total number of shapes is 3 + 4 = 7.

Front

What does the ratio 3:7 represent in terms of stars to total shapes?

Back

The ratio 3:7 means that for every 3 stars, there are a total of 7 shapes.