Free Cambridge O-Level Revision

New Horizon Academy · Cambridge pathway

Free Cambridge O-Level Revision

Start focused revision for Cambridge O Level Mathematics (4024) and English Language (1123), organised separately from ZIMSEC.

Official 2026 syllabus mapping115 guided areasFree access

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Cambridge O-Level study area

Choose a syllabus and start revising.

This pathway uses the Cambridge syllabus applicable to 2026 examinations. Always confirm the syllabus code on your statement of entry.

9 syllabus topics

Mathematics (Syllabus D) 4024

Build skills across number, algebra, geometry, probability and statistics.

Assessment: Paper 1 non-calculator and Paper 2 calculator; each contributes 50%.
Open topic list
  1. Number
  2. Algebra and Graphs
  3. Coordinate Geometry
  4. Geometry
  5. Mensuration
  6. Trigonometry
  7. Transformations and Vectors
  8. Probability
  9. Statistics
11 guided areas

English Language 1123

Develop critical reading, purposeful writing, composition and language accuracy.

Assessment: Paper 1 Reading and Paper 2 Writing; each contributes 50%.
Open study-area list
  1. Understanding Explicit Meanings
  2. Understanding Implicit Meanings and Attitudes
  3. Analysing and Evaluating Ideas
  4. Writers’ Effects and Influence
  5. Selecting Information for a Purpose
  6. Summary Writing
  7. Short Response Writing
  8. Directed Writing: Emails, Letters, Reports, Articles and Speeches
  9. Descriptive Composition
  10. Narrative Composition
  11. Vocabulary, Register, Grammar, Spelling and Punctuation
19 syllabus topics

Biology 5090

Revise cells, human and plant biology, inheritance, biotechnology and ecology.

Assessment: Multiple choice 30%, theory 50%, and practical or alternative-to-practical 20%.
Open topic list
  1. Cells
  2. Classification
  3. Movement into and out of cells
  4. Biological molecules
  5. Enzymes
  6. Plant nutrition
  7. Transport in flowering plants
  8. Human nutrition
  9. Human gas exchange
  10. Respiration
  11. Transport in humans
  12. Disease and immunity
  13. Excretion
  14. Coordination and control
  15. Coordination and response in plants
  16. Development of organisms and continuity of life
  17. Inheritance
  18. Biotechnology and genetic modification
  19. Relationships of organisms with one another and with the environment
12 syllabus topics

Chemistry 5070

Revise physical, inorganic, organic, environmental and practical chemistry.

Assessment: Multiple choice 30%, theory 50%, and practical or alternative-to-practical 20%.
Open topic list
  1. States of matter
  2. Atoms, elements and compounds
  3. Stoichiometry
  4. Electrochemistry
  5. Chemical energetics
  6. Chemical reactions
  7. Acids, bases and salts
  8. The Periodic Table
  9. Metals
  10. Chemistry of the environment
  11. Organic chemistry
  12. Experimental techniques and chemical analysis
6 syllabus topics

Physics 5054

Revise mechanics, thermal physics, waves, electromagnetism, nuclear and space physics.

Assessment: Multiple choice 30%, theory 50%, and practical or alternative-to-practical 20%.
Open topic list
  1. Motion, forces and energy
  2. Thermal physics
  3. Waves
  4. Electricity and magnetism
  5. Nuclear physics
  6. Space physics
7 syllabus topics

Accounting 7707

Record, verify, prepare and interpret financial information.

Open topic list
  1. The fundamentals of accounting
  2. Sources and recording of data
  3. Verification of accounting records
  4. Accounting procedures
  5. Preparation of financial statements
  6. Analysis and interpretation
  7. Accounting principles and policies
6 syllabus topics

Commerce 7100

Study production, commercial operations, global trade, logistics and ethics.

Open topic list
  1. Commerce and production
  2. Commercial operations
  3. Globalisation of trade
  4. Logistics in commerce
  5. Aids to trade that support commerce
  6. Sustainability and ethics
5 guided areas

Geography 2217

Combine geographical themes, skills and investigations.

Open study list
  1. Population and settlement
  2. The natural environment
  3. Economic development
  4. Geographical skills
  5. Geographical investigations
13 guided areas

History 2147

Study an approved core option, depth study and historical sources.

Open study list
  1. Option A: Revolutions of 1848
  2. Option A: Unification of Italy
  3. Option A: Unification of Germany
  4. Option A: United States Civil War
  5. Option A: Nineteenth-century imperialism
  6. Option A: Causes of the First World War
  7. Option B: Treaty of Versailles
  8. Option B: League of Nations
  9. Option B: Hitler’s foreign policy and war in 1939
  10. Option B: Origins of the Cold War
  11. Option B: United States containment of communism
  12. Option B: Soviet control of Eastern Europe
  13. Depth study and source skills
27 syllabus topics

Combined Science 5129

An integrated Biology, Chemistry and Physics revision pathway.

Open topic list
  1. Cells
  2. Enzymes
  3. Plant nutrition and transport
  4. Human nutrition
  5. Human gas exchange
  6. Respiration
  7. Transport in humans
  8. Drugs and their effects
  9. Coordination and control
  10. Development and continuity of life
  11. Biotechnology and genetic modification
  12. Relationships of organisms and environment
  13. States of matter
  14. Atoms, elements and compounds
  15. Stoichiometry
  16. Chemical energetics
  17. Chemical reactions
  18. Acids, bases and salts
  19. The Periodic Table
  20. Metals
  21. Chemistry of the environment
  22. Organic chemistry
  23. Motion, forces and energy
  24. Thermal physics
  25. Waves
  26. Electricity
  27. Nuclear physics
Curriculum separation: All ten Cambridge O-Level offerings in the New Horizon catalogue are now mapped separately from ZIMSEC. A-Level pathways are being developed next.
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