| Addition | 16 | 17 | 18 | 19 | 20 |
| 8 | 16+8 = 24 | 17+8 = 25 | 18+8 = 26 | 19+8 = 27 | 20+8 = 28 |
| 9 | 16+9 = 25 | 17+9 = 26 | 18+9 = 27 | 19+9 = 28 | 20+9 = 29 |
| 10 | 16+10 = 26 | 17+10 = 27 | 18+10 = 28 | 19+10 = 29 | 20+10 = 30 |
| 11 | 16+11 = 27 | 17+11 = 28 | 18+11 = 29 | 19+11 = 30 | 20+11 = 31 |
| 12 | 16+12 = 28 | 17+12 = 29 | 18+12 = 30 | 19+12 = 31 | 20+12 = 32 |
| Addition | 15.1 | 15.2 | 15.3 | 15.4 | 15.5 | 15.6 |
| 7.1 | 15.1+7.1 = 22.2 | 15.2+7.1 = 22.3 | 15.3+7.1 = 22.4 | 15.4+7.1 = 22.5 | 15.5+7.1 = 22.6 | 15.6+7.1 = 22.7 |
| 7.2 | 15.1+7.2 = 22.3 | 15.2+7.2 = 22.4 | 15.3+7.2 = 22.5 | 15.4+7.2 = 22.6 | 15.5+7.2 = 22.7 | 15.6+7.2 = 22.8 |
| 7.3 | 15.1+7.3 = 22.4 | 15.2+7.3 = 22.5 | 15.3+7.3 = 22.6 | 15.4+7.3 = 22.7 | 15.5+7.3 = 22.8 | 15.6+7.3 = 22.9 |
| 7.4 | 15.1+7.4 = 22.5 | 15.2+7.4 = 22.6 | 15.3+7.4 = 22.7 | 15.4+7.4 = 22.8 | 15.5+7.4 = 22.9 | 15.6+7.4 = 23 |
| 7.5 | 15.1+7.5 = 22.6 | 15.2+7.5 = 22.7 | 15.3+7.5 = 22.8 | 15.4+7.5 = 22.9 | 15.5+7.5 = 23 | 15.6+7.5 = 23.1 |
| 7.6 | 15.1+7.6 = 22.7 | 15.2+7.6 = 22.8 | 15.3+7.6 = 22.9 | 15.4+7.6 = 23 | 15.5+7.6 = 23.1 | 15.6+7.6 = 23.2 |