IGCSE Additional Mathematics (0606) grade boundaries — June 2026
Cambridge IGCSE (CAIE) (0606). The official grade thresholds for the June 2026 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 2026 at a glance
- A A* in Additional Mathematics required 141/160 (89%) on extended · papers 11, 21.
- That A* threshold is 2 marks higher than March 2026 — slightly harder to achieve.
- Across paper variants, the A* boundary ranged from 138 to 141 marks — variant choice mattered this session.
- A grade C needed roughly 39% on extended · papers 11, 21.
Extended · Papers 11, 21
| Grade | Min mark | Min % |
|---|---|---|
| A* | 141 | 89% |
| A | 122 | 77% |
| B | 92 | 58% |
| C | 62 | 39% |
| D | 49 | 31% |
| E | 36 | 23% |
Maximum mark: 160.
Extended · Papers 12, 22
| Grade | Min mark | Min % |
|---|---|---|
| A* | 138 | 87% |
| A | 117 | 74% |
| B | 88 | 56% |
| C | 59 | 37% |
| D | 46 | 29% |
| E | 33 | 21% |
Maximum mark: 160.
Extended · Papers 13, 23
| Grade | Min mark | Min % |
|---|---|---|
| A* | 138 | 87% |
| A | 117 | 74% |
| B | 88 | 56% |
| C | 59 | 37% |
| D | 46 | 29% |
| E | 33 | 21% |
Maximum mark: 160.
Extended · Papers 50
| Grade | Min mark | Min % |
|---|---|---|
| A* | 78 | 87% |
| A | 69 | 77% |
| B | 60 | 67% |
| C | 51 | 57% |
| D | 42 | 47% |
| E | 33 | 37% |
Maximum mark: 90.
Calculate your Additional Mathematics grade →
Figures sourced from the official Cambridge grade threshold tables. Always confirm with your exam board.