Converting Length Units: Step-by-Step Example
23 October 2026

Understanding how to convert between centimetres and metres is a key skill for 11+ maths. This example shows a clear way to help your child see the link between these units.

Worked example
Question: Convert 250 centimetres (cm) to metres (m).
Step 1: Remember that 1 metre = 100 centimetres.
Step 2: Divide 250 by 100.
250 ÷ 100 = 2.5
The correct answer is 2.5 metres.
Click or tap on the number line to answer
Now your child can spot when to change centimetres to metres and use simple division to get the answer. Similar questions are ready to practise for extra confidence.



