ComputingYears 3–6Debugging

Finding and Fixing Bugs

Learn Finding and Fixing Bugs for Years 3–6 pupils (ages 7–11). Free practice questions, lessons and worked examples — aligned to the UK National Curriculum.

What you'll learn

  1. 1

    A bug is a mistake in your code that makes your computer do the wrong thing! 🐛

  2. 2

    What is a bug in code? 🐛

  3. 3

    Here is a set of instructions for a robot: move forward, turn left, move forward. But there's a bug! Can you spot it? 🦾

  4. 4

    Let's fix a bug together! 🛠️

  5. 5

    In the code 'move forward, turn right, move forward', what is the bug? 🐛

  6. 6

    Fix the bug! Change 'turn right' to 'turn left'. 🛠️

  7. 7

    What do we call it when we find and fix a bug? 🐞

Practise Finding and Fixing Bugs with Whizlo

Free AI-tutored lessons, unlimited practice questions, and progress tracking for ages 7–11. Aligned to the UK National Curriculum.