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Cambridge IGCSE International Mathematics · Core (Papers 1, 3 and 5)
Topics: marks and papers
Every part of the syllabus, with the share of marks it carried and how often it appeared in past papers. Choose one to see its papers and try a question.
The current syllabus All sittings since 2019
In the papers analysed (June 2019 to June 2026, 140 papers).
Number C1
| Topic | Share of marks | On papers |
|---|---|---|
| Types of number C1.1 | 4.4% | 92 of 140 |
| Sets C1.2 | 2.3% | 52 of 140 |
| Powers and roots C1.3 | 2.0% | 67 of 140 |
| Fractions, decimals and percentages C1.4 | 1.3% | 50 of 140 |
| Ordering C1.5 | 0.5% | 23 of 140 |
| The four operations C1.6 | 4.4% | 95 of 140 |
| Indices I C1.7 | 0.4% | 17 of 140 |
| Standard form C1.8 | 1.2% | 47 of 140 |
| Estimation C1.9 | 1.1% | 47 of 140 |
| Ratio and proportion C1.10 | 2.0% | 54 of 140 |
| Rates C1.11 | 1.8% | 46 of 140 |
| Percentages C1.12 | 3.1% | 70 of 140 |
| Using a calculator C1.13 | 0.6% | 24 of 140 |
| Time C1.14 | 1.0% | 42 of 140 |
| Money C1.15 | 2.7% | 54 of 140 |
Algebra C2
| Topic | Share of marks | On papers |
|---|---|---|
| Introduction to algebra C2.1 | 2.0% | 57 of 140 |
| Algebraic manipulation C2.2 | 3.3% | 81 of 140 |
| Algebraic fractions C2.3 | 1.0% | 25 of 140 |
| Indices II C2.4 | 0.8% | 32 of 140 |
| Equations C2.5 | 7.0% | 111 of 140 |
| Inequalities C2.6 | 0.7% | 29 of 140 |
| Sequences C2.7 | 9.2% | 81 of 140 |
Functions C3
| Topic | Share of marks | On papers |
|---|---|---|
| Graphs of functions C3.1 | 0.1% | 4 of 140 |
| Sketching graphs on a calculator C3.2 | 4.4% | 47 of 140 |
| Functions C3.3 | 1.1% | 41 of 140 |
Coordinate geometry C4
| Topic | Share of marks | On papers |
|---|---|---|
| Coordinates C4.1 | 1.9% | 58 of 140 |
| Gradient of linear graphs C4.2 | 0.4% | 16 of 140 |
| Length and midpoint C4.3 | 1.0% | 40 of 140 |
| Equations of linear graphs C4.4 | 1.1% | 33 of 140 |
| Parallel lines C4.5 | 0.2% | 9 of 140 |
Geometry C5
| Topic | Share of marks | On papers |
|---|---|---|
| Geometrical terms C5.1 | 2.2% | 74 of 140 |
| Angle measurement in degrees C5.2 | 0.8% | 36 of 140 |
| Similarity C5.3 | 0.7% | 25 of 140 |
| Symmetry C5.4 | 1.0% | 37 of 140 |
| Angles C5.5 | 4.5% | 80 of 140 |
| Circle theorems I C5.6 | 0.4% | 20 of 140 |
| Circle theorems II C5.7 | Not in the papers analysed | |
Mensuration C6
| Topic | Share of marks | On papers |
|---|---|---|
| Units of measure C6.1 | 0.7% | 37 of 140 |
| Area and perimeter C6.2 | 2.1% | 36 of 140 |
| Circles, arcs and sectors C6.3 | 1.1% | 30 of 140 |
| Surface area and volume C6.4 | 2.1% | 46 of 140 |
| Compound shapes and parts of shapes C6.5 | 1.7% | 36 of 140 |
Trigonometry C7
| Topic | Share of marks | On papers |
|---|---|---|
| Pythagoras’ theorem C7.1 | 1.2% | 32 of 140 |
| Right-angled triangles C7.2 | 1.8% | 42 of 140 |
Transformations and vectors C8
| Topic | Share of marks | On papers |
|---|---|---|
| Transformations C8.1 | 3.8% | 61 of 140 |
Probability C9
| Topic | Share of marks | On papers |
|---|---|---|
| Introduction to probability C9.1 | 1.4% | 55 of 140 |
| Relative and expected frequencies C9.2 | 0.7% | 25 of 140 |
| Probability of combined events C9.3 | 1.7% | 39 of 140 |
Statistics C10
| Topic | Share of marks | On papers |
|---|---|---|
| Classifying statistical data C10.1 | 0.2% | 9 of 140 |
| Interpreting statistical data C10.2 | 0.8% | 27 of 140 |
| Discrete and continuous data C10.3 | 0.2% | 11 of 140 |
| Averages and range C10.4 | 3.5% | 67 of 140 |
| Averages on a calculator C10.5 Practised under Averages and range C10.4 | Not in the papers analysed | |
| Statistical charts and diagrams C10.6 | 2.7% | 59 of 140 |
| Scatter diagrams C10.7 | 1.9% | 34 of 140 |
In the papers analysed: marks count labelled parts only (most, not all, of each paper), a part's marks split over its subtopics; shares describe past papers, not a forecast. stats.current = the syllabus now examined; stats.all = every sitting analysed