IGCSE Additional Mathematics (0606) grade boundaries — June 2025
Cambridge IGCSE (CAIE) (0606). The official grade thresholds for the June 2025 series — the minimum raw mark needed for each grade, by tier and paper combination. Pick the option matching the papers you sat.
Cambridge publishes these as grade threshold tables: "grade thresholds" and "grade boundaries" are two names for the same numbers.
June 2025 at a glance
- A A* in Additional Mathematics required 135/160 (85%) on extended · papers 11, 21.
- That A* threshold is 4 marks lower than March 2025 — slightly easier to achieve.
- Across paper variants, the A* boundary ranged from 135 to 137 marks — variant choice mattered this session.
- A grade C needed roughly 32% on extended · papers 11, 21.
Extended · Papers 11, 21
| Grade | Min mark | Min % |
|---|---|---|
| A* | 135 | 85% |
| A | 110 | 69% |
| B | 80 | 50% |
| C | 51 | 32% |
| D | 39 | 25% |
| E | 27 | 17% |
Maximum mark: 160.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 137 | 86% |
| A | 115 | 72% |
| B | 87 | 55% |
| C | 59 | 37% |
| D | 46 | 29% |
| E | 33 | 21% |
Maximum mark: 160.
Extended · Papers 13, 23
| Grade | Min mark | Min % |
|---|---|---|
| A* | 137 | 86% |
| A | 114 | 72% |
| B | 85 | 54% |
| C | 56 | 35% |
| D | 43 | 27% |
| E | 31 | 20% |
Maximum mark: 160.
Calculate your Additional Mathematics grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.