| Multiplication | 16 | 17 | 18 | 19 | 20 |
| 11 | 16*11 = 176 | 17*11 = 187 | 18*11 = 198 | 19*11 = 209 | 20*11 = 220 |
| 12 | 16*12 = 192 | 17*12 = 204 | 18*12 = 216 | 19*12 = 228 | 20*12 = 240 |
| 13 | 16*13 = 208 | 17*13 = 221 | 18*13 = 234 | 19*13 = 247 | 20*13 = 260 |
| 14 | 16*14 = 224 | 17*14 = 238 | 18*14 = 252 | 19*14 = 266 | 20*14 = 280 |
| 15 | 16*15 = 240 | 17*15 = 255 | 18*15 = 270 | 19*15 = 285 | 20*15 = 300 |
| Multiplication | 15.1 | 15.2 | 15.3 | 15.4 | 15.5 | 15.6 |
| 10.1 | 15.1x10.1 = 152.51 | 15.2x10.1 = 153.52 | 15.3x10.1 = 154.53 | 15.4x10.1 = 155.54 | 15.5x10.1 = 156.55 | 15.6x10.1 = 157.56 |
| 10.2 | 15.1x10.2 = 154.02 | 15.2x10.2 = 155.04 | 15.3x10.2 = 156.06 | 15.4x10.2 = 157.08 | 15.5x10.2 = 158.1 | 15.6x10.2 = 159.12 |
| 10.3 | 15.1x10.3 = 155.53 | 15.2x10.3 = 156.56 | 15.3x10.3 = 157.59 | 15.4x10.3 = 158.62 | 15.5x10.3 = 159.65 | 15.6x10.3 = 160.68 |
| 10.4 | 15.1x10.4 = 157.04 | 15.2x10.4 = 158.08 | 15.3x10.4 = 159.12 | 15.4x10.4 = 160.16 | 15.5x10.4 = 161.2 | 15.6x10.4 = 162.24 |
| 10.5 | 15.1x10.5 = 158.55 | 15.2x10.5 = 159.6 | 15.3x10.5 = 160.65 | 15.4x10.5 = 161.7 | 15.5x10.5 = 162.75 | 15.6x10.5 = 163.8 |
| 10.6 | 15.1x10.6 = 160.06 | 15.2x10.6 = 161.12 | 15.3x10.6 = 162.18 | 15.4x10.6 = 163.24 | 15.5x10.6 = 164.3 | 15.6x10.6 = 165.36 |