Every worksheet on this site is built around one principle: the mistake analysis is the product. Other platforms give you questions and answers. We give you questions, answers, and a precise diagnosis of exactly how students get each question wrong — and why.
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Syllabuses available now
- IB Math AA HL — 12 Topic
- IB Math AA SL — 9 Topic
- IB Math AI HL & SL — Coming Soon
Edexcel · Cambridge · OCR · AQA being added in 2026.
Available Now
Analysis & Approaches Higher Level
The complete IB AA HL diagnostic series. Every major topic covered -- integration, differential equations, complex numbers, vectors, proof, and more.
Analysis & Approaches Standard Level
The complete IB AA SL diagnostic series. All 9 topics covered -- from exponents and calculus to statistics, probability, and geometry. Every question includes mistake analysis.
Coming Soon
IB Math AI HL & SL
Applications & Interpretation -- both levels. Full diagnostic series in development.
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Choose your curriculum
Select IB, Edexcel, Cambridge, or another board. Each has its own organised topic index.
Select a topic
Every topic page shows the free sets available now and the premium pack if you want all 50–75 questions.
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Free PDFs download instantly. Every question includes a mistake analysis — not just the answer.