What percentage is each grade in IGCSE Additional Mathematics?
Grade boundaries change every session, so percentages aren't fixed. Based on the Cambridge November 2025 boundaries for extended · papers 11, 21, here's the percentage needed for each grade in Additional Mathematics (0606).
| Grade | Min mark | Min percentage |
|---|---|---|
| A* | 138/160 | 87% |
| A | 116/160 | 73% |
| B | 80/160 | 50% |
| C | 45/160 | 29% |
| D | 34/160 | 22% |
| E | 24/160 | 15% |
Extended · Papers 11, 21 · maximum mark 160 · November 2025.
FAQ
What percentage is a A* in IGCSE Additional Mathematics?
In November 2025 (Extended · Papers 11, 21), a A* needed about 87% (138/160). Boundaries shift slightly each session.
What percentage is a pass (C) in IGCSE Additional Mathematics?
A grade C needed roughly 29% in November 2025. Grade 4 / C is generally treated as a standard pass.
Are these IGCSE Additional Mathematics percentages official?
They are derived from the official Cambridge grade threshold tables. Boundaries are set per session, so use these as a guide and confirm with your exam board.