Squares of numbers to 25!
| number | square | equals |
| 1 | 12 = 1 x 1 | 1 |
| 2 | 22 = 2 x 2 | 4 |
| 3 | 32 = 3 x 3 | 9 |
| 4 | 42 = 4 x 4 | 16 |
| 5 | 52 = 5 x 5 | 25 |
| 6 | 62 = 6 x 6 | 36 |
| 7 | 72 = 7 x 7 | 49 |
| 8 | 82 = 8 x 8 | 64 |
| 9 | 92 = 9 x 9 | 81 |
| 10 | 102 = 10 x 10 | 100 |
| 11 | 112 = 11 x 11 | 121 |
| 12 | 122 = 12 x 12 | 144 |
| 13 | 132 = 13 x 13 | 169 |
| 14 | 142 = 14 x 14 | 196 |
| 15 | 152 = 15 x 15 | 225 |
| 16 | 162 = 16 x 16 | 256 |
| 17 | 172 = 17 x 17 | 289 |
| 18 | 182 = 18 x 18 | 324 |
| 19 | 192 = 19 x 19 | 361 |
| 20 | 202 = 20 x 20 | 400 |
| 21 | 212 = 21 x 21 | 441 |
| 22 | 222 = 22 x 22 | 484 |
| 23 | 232 = 23 x 23 | 529 |
| 24 | 242 = 24 x 24 | 576 |
| 25 | 252 = 25 x 25 | 625 |