Understanding Negative Numbers Using a Number Line: Step-by-Step Example
22 October 2026
Negative numbers can feel confusing at first, but using a number line helps make sense of them. This clear example shows how to add a positive number to a negative number using simple steps.
Worked example
What is -3 + 5?
Step 1: Start at -3 on the number line.
Step 2: Move 5 steps to the right, because you are adding 5.
Step 3: Count each step: -3 to -2, -2 to -1, -1 to 0, 0 to 1, 1 to 2.
You land on 2.
The correct answer is 2.
Click or tap on the number line to answer
After working through this example, your child should recognise how to move along a number line when adding negative and positive numbers. Similar questions are ready for practice to help build confidence with negative numbers before the 11+.
