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These are the different levels:
| Level | <=5 min | Addition | × 5 digits | Addition | × 8 digits | Addition | √ 5 min | Addition |
|---|---|---|---|---|---|---|---|---|
| 1 | 1 | 0 | 1 | 0 | 1 | 0 | 1 | 0 |
| 2 | 2 | 0 | 2 | 0 | 2 | 0 | 2 | 0 |
| 3 | 3 | 0 | 3 | 0 | 3 | 0 | 3 | 0 |
| 4 | 4 | 0 | 6 | 0 | 4 | 0 | 4 | 0 |
| 5 | 5 | 0 | 9 | 0 | 5 | 0 | 5 | 0 |
| 6 | 6 | 0 | 12 | 0 | 6 | 0 | 6 | 0 |
| 7 | 6 | 1 | 12 | 3 | 6 | 1 | 6 | 1 |
| 8 | 7 | 1 | 15 | 3 | 7 | 1 | 7 | 1 |
| 9 | 8 | 1 | 18 | 3 | 8 | 1 | 8 | 2 |
| 10 | 9 | 1 | 21 | 3 | 9 | 1 | 10 | 2 |
| 11 | 10 | 1 | 24 | 3 | 10 | 1 | 12 | 2 |
| 12 | 11 | 1 | 27 | 3 | 11 | 1 | 14 | 2 |
| 13 | 12 | 1 | 30 | 3 | 12 | 1 | 16 | 2 |
| 14 | 12 | 2 | 30 | 6 | 12 | 2 | 16 | 4 |
| 15 | 13 | 2 | 33 | 6 | 13 | 2 | 18 | 4 |
| 16 | 14 | 2 | 36 | 6 | 14 | 2 | 20 | 4 |
| 17 | 15 | 2 | 39 | 6 | 15 | 2 | 22 | 4 |
| 18 | 16 | 2 | 42 | 6 | 16 | 2 | 24 | 4 |
| 19 | 17 | 2 | 45 | 6 | 17 | 2 | 26 | 4 |
| 20 | 20 | 0 | 54 | 0 | 20 | 0 | 32 | 0 |