Designing programs lesson for Pearson Edexcel International A Level Computer Science: a free lesson with editable PowerPoint slides and a student worksheet. Program design plans a solution before coding; students use decomposition, structure diagrams and pseudocode to design a Python program.
This free version includes the slides and the student worksheet. The answers are not included.
Get the full lesson- With full answers: Designing programs – Edexcel IAL Computer Science lesson
- The whole topic: Best practice – Edexcel IAL Computer Science (4 lessons)
Last updated: November 2026.
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