Algorithm Design & Problem Solving | Cambridge IGCSE 0478/0984| PPT| Worksheet |Activity|MCQ|Answers

This is THE foundation topic for Paper 2 success and this pack builds it properly. Covers structure diagrams, flowcharts using exact 0478 symbols, pseudocode conventions, trace tables, error identification, and all 6 validation/verification checks examiners test repeatedly. Includes a step-by-step PPT, 10 flowchart-to-pseudocode conversion exercises, 8 trace table practice questions, error-spotting exercises, a 25-question MCQ quiz, and fully worked answers showing EVERY trace table step. If your students struggle with trace tables, this pack is the fix.

**** IGCSE_AlgoDesign_PPT.pptx — 30 slides)****

Title → Learning Objectives → IPO model (2 worked examples) → Structure diagrams & top-down decomposition → Flowchart symbols (all 5 official shapes) → 2 fully drawn flowchart worked examples (decision + loop) → Pseudocode conventions & keywords → IF/CASE structures → FOR/WHILE/REPEAT comparison → Pseudocode worked example → Trace tables (2 fully worked examples, including a loop accumulator) → Error types (syntax/logic/runtime with 2 worked examples each) → All 6 validation checks → Verification (double entry vs visual check) → Validation pseudocode examples → Exam tips → Summary/recap slide.

**** IGCSE_AlgoDesign_Worksheet.docx — 90 marks across 4 sections****

Section A: 10 flowchart-to-pseudocode conversions (text-described flowcharts). Section B: 8 trace table exercises with blank tables ready to fill in. Section C: 6 error-identification questions with space for type/explanation/correction. Section D: validation-check matching exercise (10 scenarios × 6 check types).

**** IGCSE_AlgoDesign_Activity.docx — “Spot the Bug” relay activity****

Full teacher instructions (setup, running, scoring, differentiation), materials list, timing breakdown, and 8 ready-to-print bug cards with hints — formatted for easy cutting into physical cards.

**** IGCSE_AlgoDesign_MCQQuiz.docx — 25 MCQs, mixed difficulty****

Covers every sub-topic with genuine 0478-style command words, labeled Easy/Medium/Hard.

IGCSE_AlgoDesign_Answers_MarkingScheme.docx — Complete teacher’s key

All 10 pseudocode solutions with mark breakdowns, all 8 trace tables fully completed (color-coded), all 6 error corrections with type + explanation, validation matching key, and all 25 MCQ answers with one-line justifications.

All pseudocode strictly follows 0478/0984 conventions (← assignment, ENDIF/ENDWHILE/NEXT i/ENDCASE closures.

All worksheets are print-ready

Fully editable resources.

Great for: classroom teaching, revision lessons, flipped learning, homework tasks.

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