Resources
Learning resources, openly available
Study material written by the Marlbridge Academic Team, organised by subject, level and topic. Free to read, and added topic by topic rather than published as empty pages.
Browse by type
- Study Guides Topic explanations written to be read once and understood. 743 published
- Revision Notes Condensed notes for the final weeks before an examination. 694 published
- Past Papers Organised by board, subject and session, with guidance on using them well. 11 published
- Practice Questions Question sets by topic, with worked solutions. 730 published
- Exam Preparation Timetables, technique and how marks are actually awarded. 110 published
- Subject Guides What a subject covers at each level, and how to choose. 23 published
- Learning Articles Study method, memory and independent work. 0 published
Recently published
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Study Guides
Crude and Standardised Rates: O Level Statistics 4040 and IGCSE 0479 Study Guide
How to calculate crude rates and standardised rates (death, birth, fertility and accident rates), why standardisation is needed, and how to compare populations — Cambridge O Level Statistics 4040 Topic 7 and IGCSE Statistics 0479 Topic 9, with a full worked example.
Statistics · Cambridge · O LEVELS, IGCSE
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Practice Questions
Crude and Standardised Rates: O Level Statistics 4040 and IGCSE 0479 Practice Questions
Original practice questions with full worked answers on crude rates, age-specific rates, standardised rates and working back from a rate to a number of events — O Level Statistics 4040 Topic 7 and IGCSE Statistics 0479 Topic 9.
Statistics · Cambridge · O LEVELS, IGCSE
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Study Guides
Index Numbers: O Level Statistics 4040 and IGCSE 0479 Study Guide
Price relatives, weighted aggregate index numbers with weights from base-year expenditure, what an index number means, and its limitations — Cambridge O Level Statistics 4040 Topic 8 and IGCSE Statistics 0479 Topic 10, with a worked example.
Statistics · Cambridge · O LEVELS, IGCSE
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Practice Questions
Index Numbers: O Level Statistics 4040 and IGCSE 0479 Practice Questions
Original practice questions with full worked answers on price relatives, weighted aggregate index numbers (given and calculated weights), interpretation and limitations — O Level Statistics 4040 Topic 8 and IGCSE Statistics 0479 Topic 10.
Statistics · Cambridge · O LEVELS, IGCSE
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Study Guides
Time Series, Moving Averages and Seasonal Variation: O Level Statistics 4040 and IGCSE 0479 Study Guide
Time series graphs, moving averages (with centring when the cycle has an even number of seasons), trend lines, mean seasonal variation and predictions — Cambridge O Level Statistics 4040 Topic 10 and IGCSE Statistics 0479 Topic 12, with a full quarterly worked example.
Statistics · Cambridge · O LEVELS, IGCSE
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Practice Questions
Time Series and Moving Averages: O Level Statistics 4040 and IGCSE 0479 Practice Questions
Original practice questions with full worked answers on 3-point and centred 4-point moving averages, trend lines, seasonal components and predictions — O Level Statistics 4040 Topic 10 and IGCSE Statistics 0479 Topic 12.
Statistics · Cambridge · O LEVELS, IGCSE
Study Guides
Topic explanations written to be read once and understood.
- Mathematics 63
- Physics 82
- Chemistry 99
- Biology 73
- Computer Science 19
- Economics 31
- Accounting 19
- Business 29
- English 19
- Law 7
- Psychology 16
- Sociology 18
- World History 19
- ICT 10
- Commerce 6
- Statistics 9
- Urdu Language 12
- English Literature 22
- Geography 20
- Global Perspectives 6
- Environmental Management 9
- Pakistan Studies 8
- Islamiyat 8
- Language A: Language and Literature 11
- Language A: Literature 11
- Environmental Systems and Societies 13
- Global Politics 11
- Language B 11
- Mathematics: Analysis and Approaches 18
- Mathematics: Applications and Interpretation 20
- Language Acquisition (MYP) 11
- Sciences (MYP) 11
- Design (MYP) 11
- Individuals and Societies (MYP) 11
Revision Notes
Condensed notes for the final weeks before an examination.
- Mathematics 63
- Physics 78
- Chemistry 91
- Biology 71
- Computer Science 18
- Economics 26
- Accounting 18
- Business 26
- English 18
- Law 6
- Psychology 15
- Sociology 16
- World History 18
- ICT 9
- Commerce 5
- Statistics 5
- Urdu Language 11
- English Literature 20
- Geography 14
- Global Perspectives 6
- Environmental Management 7
- Pakistan Studies 8
- Islamiyat 6
- Language A: Language and Literature 11
- Language A: Literature 11
- Environmental Systems and Societies 13
- Global Politics 11
- Language B 11
- Mathematics: Analysis and Approaches 18
- Mathematics: Applications and Interpretation 20
- Language Acquisition (MYP) 11
- Sciences (MYP) 11
- Design (MYP) 11
- Individuals and Societies (MYP) 11
Past Papers
Organised by board, subject and session, with guidance on using them well.
Practice Questions
Question sets by topic, with worked solutions.
- Mathematics 74
- Physics 90
- Chemistry 92
- Biology 70
- Computer Science 29
- Economics 34
- Accounting 16
- Business 34
- English 17
- Law 7
- Psychology 13
- Sociology 17
- World History 17
- ICT 9
- Commerce 5
- Statistics 8
- Urdu Language 11
- English Literature 20
- Geography 13
- Global Perspectives 6
- Environmental Management 7
- Pakistan Studies 7
- Islamiyat 6
- Language A: Language and Literature 10
- Language A: Literature 10
- Environmental Systems and Societies 12
- Global Politics 10
- Language B 10
- Mathematics: Analysis and Approaches 17
- Mathematics: Applications and Interpretation 19
- Language Acquisition (MYP) 10
- Sciences (MYP) 10
- Design (MYP) 10
- Individuals and Societies (MYP) 10
Exam Preparation
Timetables, technique and how marks are actually awarded.
- Mathematics 9
- Physics 7
- Chemistry 8
- Biology 8
- Computer Science 4
- Economics 10
- Accounting 5
- Business 8
- English 5
- Law 3
- Psychology 4
- Sociology 5
- World History 5
- Commerce 1
- Statistics 1
- Urdu Language 1
- English Literature 5
- Geography 4
- Environmental Management 2
- Pakistan Studies 1
- Islamiyat 3
- Language A: Language and Literature 1
- Language A: Literature 1
- Environmental Systems and Societies 1
- Global Politics 1
- Language B 1
- Mathematics: Analysis and Approaches 1
- Mathematics: Applications and Interpretation 1
- Language Acquisition (MYP) 1
- Sciences (MYP) 1
- Design (MYP) 1
- Individuals and Societies (MYP) 1
Subject Guides
What a subject covers at each level, and how to choose.
- Mathematics 1
- Chemistry 1
- Biology 1
- Computer Science 1
- Business 2
- English 1
- Psychology 1
- Sociology 1
- World History 2
- Geography 1
- Language A: Language and Literature 1
- Language A: Literature 1
- Environmental Systems and Societies 1
- Global Politics 1
- Language B 1
- Mathematics: Analysis and Approaches 1
- Mathematics: Applications and Interpretation 1
- Language Acquisition (MYP) 1
- Sciences (MYP) 1
- Design (MYP) 1
- Individuals and Societies (MYP) 1
Learning Articles
Study method, memory and independent work.
In development
No learning articles published yet
Marlbridge is actively writing this category. None are published for this type yet – nothing here is a placeholder standing in for real material.
How the library is organised
Every piece of material has one home, so it can be found the same way twice: by subject, then by level within a program, then by topic.
- 01Subject hub —
/subjects/chemistry/ - 02Level within a program —
/programs/igcse/ - 03Topic material —
/resources/atomic-structure/