Edexcel International GCSE Computer Science 4CP0 – ED2.12 Errors and debugging – Lesson & Worksheet

Bespoke, fully editable lesson for Pearson Edexcel International GCSE (9–1) Computer Science (4CP0): ED2.12 Errors and debugging. Slides, worksheet and full answers.

Written for Topic 2 Programming (spec 2.1.3, 2.1.5). Everything is editable, so you can adapt it to your class.

What’s included

• PowerPoint lesson (15 slides) with teacher notes on every slide
• Student worksheet (Word), ready to print or edit
• Answer sheet (Word) with mark-scheme style answers for every question

ED2.12 Errors and debugging

By the end of the lesson students can:

• Tell syntax, runtime and logic errors apart
• Read a Python error message to find the line and the cause
• Locate and fix errors in a program, then test it again

Worksheet sections: A. Classify the errors; B. Read the error messages; C. Find and fix four errors; D. Exam-style questions; E. Challenge

Every lesson includes

• Learning goals and a starter question
• Clear explanations, diagrams and worked examples (Python 3 throughout, with Pearson pseudocode alongside)
• A quick check and a “your turn” task linked to the worksheet
• Exam-style questions with marks, and an exit ticket

Format

• PowerPoint (.pptx) and Word (.docx), fully editable
• Works in PowerPoint and Google Slides
• Bright, clear GCSE design, consistent across the whole course

These are independent resources written for the Pearson Edexcel International GCSE (9–1) Computer Science specification (4CP0, Issue 1). They are not produced or endorsed by Pearson. Spec point numbers are Pearson’s, with a letter added where we split a statement across lessons.