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Cambridge IGCSE Mathematics (9-1) · Extended
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, 27 papers).
Number E1
| Topic | Share of marks | On papers |
|---|---|---|
| Types of number E1.1 | 1.4% | 15 of 27 |
| Sets E1.2 | 1.3% | 13 of 27 |
| Powers and roots E1.3 | under 0.1% | 1 of 27 |
| Fractions, decimals and percentages E1.4 | 0.9% | 11 of 27 |
| Ordering E1.5 | 0.1% | 1 of 27 |
| The four operations E1.6 | 1.3% | 12 of 27 |
| Indices I E1.7 | 0.4% | 5 of 27 |
| Standard form E1.8 | 0.7% | 9 of 27 |
| Estimation E1.9 | 0.3% | 5 of 27 |
| Limits of accuracy E1.10 | 1.5% | 14 of 27 |
| Ratio and proportion E1.11 | 1.9% | 15 of 27 |
| Rates E1.12 | 2.4% | 16 of 27 |
| Percentages E1.13 | 4.2% | 22 of 27 |
| Using a calculator E1.14 | 0.1% | 3 of 27 |
| Time E1.15 | 0.3% | 6 of 27 |
| Money E1.16 | 1.2% | 14 of 27 |
| Exponential growth and decay E1.17 | 1.1% | 10 of 27 |
| Surds E1.18 | 0.3% | 3 of 27 |
Algebra and graphs E2
| Topic | Share of marks | On papers |
|---|---|---|
| Introduction to algebra E2.1 | 0.3% | 5 of 27 |
| Algebraic manipulation E2.2 | 3.4% | 20 of 27 |
| Algebraic fractions E2.3 | 2.1% | 13 of 27 |
| Indices II E2.4 | 1.9% | 13 of 27 |
| Equations E2.5 | 11% | 27 of 27 |
| Inequalities E2.6 | 2.4% | 13 of 27 |
| Sequences E2.7 | 3.0% | 13 of 27 |
| Proportion E2.8 | 1.2% | 10 of 27 |
| Graphs in practical situations E2.9 | 0.8% | 6 of 27 |
| Graphs of functions E2.10 | 2.3% | 9 of 27 |
| Sketching curves E2.11 | 1.0% | 8 of 27 |
| Differentiation E2.12 | 2.8% | 13 of 27 |
| Functions E2.13 | 2.7% | 14 of 27 |
Coordinate geometry E3
| Topic | Share of marks | On papers |
|---|---|---|
| Coordinates E3.1 | under 0.1% | 1 of 27 |
| Drawing linear graphs E3.2 | Not in the papers analysed | |
| Gradient of linear graphs E3.3 | 0.1% | 1 of 27 |
| Length and midpoint E3.4 | 0.8% | 5 of 27 |
| Equations of linear graphs E3.5 | 0.8% | 7 of 27 |
| Parallel lines E3.6 | Not in the papers analysed | |
| Perpendicular lines E3.7 | 1.0% | 8 of 27 |
Geometry E4
| Topic | Share of marks | On papers |
|---|---|---|
| Geometrical terms E4.1 | 0.3% | 5 of 27 |
| Geometrical constructions E4.2 | 0.4% | 5 of 27 |
| Scale drawings E4.3 | 1.0% | 9 of 27 |
| Similarity E4.4 | 1.8% | 13 of 27 |
| Symmetry E4.5 | 0.2% | 3 of 27 |
| Angles E4.6 | 1.9% | 16 of 27 |
| Circle theorems I E4.7 | 2.6% | 17 of 27 |
| Circle theorems II E4.8 | Not in the papers analysed | |
Mensuration E5
| Topic | Share of marks | On papers |
|---|---|---|
| Units of measure E5.1 | 0.1% | 3 of 27 |
| Area and perimeter E5.2 | 0.5% | 7 of 27 |
| Circles, arcs and sectors E5.3 | 1.2% | 11 of 27 |
| Surface area and volume E5.4 | 2.5% | 12 of 27 |
| Compound shapes and parts of shapes E5.5 | 2.0% | 12 of 27 |
Trigonometry E6
| Topic | Share of marks | On papers |
|---|---|---|
| Pythagoras’ theorem E6.1 | 0.1% | 1 of 27 |
| Right-angled triangles E6.2 | 2.3% | 16 of 27 |
| Exact trigonometric values E6.3 | under 0.1% | 1 of 27 |
| Trigonometric functions E6.4 | 1.6% | 12 of 27 |
| Non-right-angled triangles E6.5 | 4.5% | 19 of 27 |
| Pythagoras’ theorem and trigonometry in 3D E6.6 | 2.3% | 14 of 27 |
Transformations and vectors E7
| Topic | Share of marks | On papers |
|---|---|---|
| Transformations E7.1 | 3.2% | 13 of 27 |
| Vectors in two dimensions E7.2 | 1.0% | 9 of 27 |
| Magnitude of a vector E7.3 | 0.5% | 7 of 27 |
| Vector geometry E7.4 | 1.9% | 11 of 27 |
Probability E8
| Topic | Share of marks | On papers |
|---|---|---|
| Introduction to probability E8.1 | 0.7% | 15 of 27 |
| Relative and expected frequencies E8.2 | 0.3% | 7 of 27 |
| Probability of combined events E8.3 | 2.8% | 15 of 27 |
| Conditional probability E8.4 | 0.3% | 4 of 27 |
Statistics E9
| Topic | Share of marks | On papers |
|---|---|---|
| Classifying statistical data E9.1 | Not in the papers analysed | |
| Interpreting statistical data E9.2 | 0.2% | 3 of 27 |
| Averages and measures of spread E9.3 | 3.4% | 21 of 27 |
| Statistical charts and diagrams E9.4 | 0.3% | 4 of 27 |
| Scatter diagrams E9.5 | 0.3% | 3 of 27 |
| Cumulative frequency diagrams E9.6 | 1.8% | 8 of 27 |
| Histograms E9.7 | 1.2% | 11 of 27 |
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