Cambridge A-Level Revision Guides

Free, in-depth revision guides for every Cambridge International A Level subject on Nexelia. Each guide covers syllabus structure, step-by-step revision strategy, exam technique, common mistakes, and recommended resources.

Nexelia Academy's free A-Level revision guides are written specifically for Cambridge International students sitting the 2025 and 2026 exam series. Each guide covers the full syllabus, the most effective revision methods for that subject, past paper technique, common examiner mistakes, and how to use Nexelia Academy's tools to prepare efficiently.

14subjects covered

Freeto read — no account required

2026exam series updated

CAIECambridge syllabuses

Free A-Level revision guides by subject

The following free A-Level revision guides are available for every Cambridge International subject on Nexelia Academy. Click any subject to read the full guide including syllabus breakdown, revision timeline, exam technique, and topic-by-topic advice.

Physics

9702

Mechanics, waves, electricity, quantum physics and cosmology — with exam technique for all 5 papers.

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Biology

9700

Cell biology, genetics, ecology and homeostasis — plus diagram technique and essay writing.

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Chemistry

9701

Organic mechanisms, physical chemistry, spectroscopy and calculation technique.

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Economics

9708

Micro and macroeconomics, essay structure, data response technique and diagram usage.

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Business

9609

Case study technique, financial ratios, evaluation skills and AO3/AO4 strategy.

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Psychology

9990

Core studies, research methods, approaches and evaluative writing technique.

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Computer Science

9618

Algorithms, data structures, OOP, pseudocode precision and project planning.

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Pure Mathematics 1

9709

Algebra, functions, calculus, trigonometry and proof technique for Paper 1.

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Mechanics 1

9709

Forces, kinematics, Newton's laws, energy and momentum for Paper 4.

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Further Pure Mathematics 1

9231

Matrices, complex numbers, induction, polar coordinates and advanced calculus.

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Probability & Statistics 1

9709

Distributions, probability, normal distribution and hypothesis testing for Paper 5.

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Mechanics 2

9709/9231

Circular motion, rigid bodies, elastic strings and further dynamics.

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Further Pure Mathematics 1 (Topic Focus)

9231

Topic-by-topic breakdown: polynomials, series, complex numbers, matrices and calculus.

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Probability & Statistics 2

9709/9231

Poisson distribution, continuous variables, sampling, Chi-squared and hypothesis testing.

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How to use these A-Level revision guides

1
Choose your subject
Select the A-Level revision guide for your subject from the list above. Each guide is written specifically for the Cambridge International syllabus code (e.g. 9700 for Biology, 9702 for Physics).
2
Follow the revision strategy
Each guide walks you through how to structure your revision from the start of the course to the final exam — covering which topics to prioritise, how to use past papers, and common mistakes to avoid.
3
Practise with Nexelia Academy
After reading the guide, use Nexelia Academy's structured lessons, flashcards, MCQ practice banks, and AI tutor to put the strategy into action across all 251 chapters.

Ready to start? Browse all 14 A-Level courses →

Frequently asked questions about A-Level revision guides

What are the Nexelia Academy A-Level revision guides?

The Nexelia Academy A-Level revision guides are free, in-depth subject guides for Cambridge International A-Level students. Each guide covers the syllabus structure, recommended revision strategy, exam technique, and common mistakes for that subject.

Are the A-Level revision guides free?

Yes. All 14 Cambridge A-Level revision guides on Nexelia Academy are completely free to read — no account or payment required.

Which subjects have A-Level revision guides?

Nexelia Academy has revision guides for all 14 Cambridge A-Level subjects: Biology, Chemistry, Physics, Economics, Business, Psychology, Computer Science, Pure Mathematics 1, Pure Mathematics 2 & 3, Mechanics 1, Mechanics 2, Further Pure Mathematics 1, Probability & Statistics 1, and Probability & Statistics 2.

Are these guides specific to Cambridge International A-Level?

Yes. Every revision guide is written specifically for the Cambridge International (CAIE) A-Level syllabus, with references to the official syllabus codes and exam paper structure.

How are the revision guides different from the Nexelia Academy courses?

The revision guides are free articles explaining how to revise each subject effectively. The Nexelia Academy courses provide the actual study content — structured lessons, flashcards, MCQs, past-paper exam questions with worked solutions, and AI tutor access — to put that strategy into practice.

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