Converting fractions, decimals and percentages

Home learning focus

In this lesson you will practice converting between simple fractions, decimals and percentages.

This lesson includes:

  • a learning summary
  • two activities

Created in partnership with Sparx.


Fractions, decimals and percentages can be used to write the same number in different ways.

For example, ⁷³⁄₁₀₀, 73% and 0.73 are all ways of writing 73 parts out of 100 parts.

Some common conversions are shown on the number line below:

You won’t want to always use a number line, though. Use the slides below to learn how to convert between fractions, decimals and percentages.

½ = 0.5 = 50%, ¼ = 0.25 = 25%, ¹⁄₁₀ = 0.1 = 10% and ¹⁄₁₀₀ = 0.01 = 1%.

1 of 4

Read pages 1 - 4 our 'Converting fractions, decimals and percentages' Bitesize revision guide for more examples of:

Revise - Converting fractions, decimals and percentages


Activity 1


Have a go at this quiz to find out how much you know about converting fractions, decimals and percentages!

Converting fractions, decimals and percentages

Activity 2

Worksheet: Fractions, decimals and percentages

Have a go at this worksheet from Sparx on converting fractions, decimals and percentages. You can print it out or write your answers on a piece of paper.

Fractions, decimals and percentages

There's more to learn

Have a look at these other resources around the BBC and the web.

KS3 Maths
BBC Bitesize Daily
The BBC Bitesize 14 day sort-your-life-out challenge
11 - 14 Maths
KS3 English
Bitesize Support