| Addition | 7 | 8 | 9 | 10 | 11 |
| 9 | 7+9 = 16 | 8+9 = 17 | 9+9 = 18 | 10+9 = 19 | 11+9 = 20 |
| 10 | 7+10 = 17 | 8+10 = 18 | 9+10 = 19 | 10+10 = 20 | 11+10 = 21 |
| 11 | 7+11 = 18 | 8+11 = 19 | 9+11 = 20 | 10+11 = 21 | 11+11 = 22 |
| 12 | 7+12 = 19 | 8+12 = 20 | 9+12 = 21 | 10+12 = 22 | 11+12 = 23 |
| 13 | 7+13 = 20 | 8+13 = 21 | 9+13 = 22 | 10+13 = 23 | 11+13 = 24 |