Learn these perfect square roots
| 300240008 | √1 | 1 | |
| 300240009 | √4 | 2 | |
| 300240010 | √9 | 3 | |
| 300240011 | √16 | 4 | |
| 300240012 | √25 | 5 | |
| 300240013 | √36 | 6 | |
| 300240014 | √49 | 7 | |
| 300240015 | √64 | 8 | |
| 300240016 | √81 | 9 | |
| 300240017 | √100 | 10 | |
| 300240018 | √121 | 11 | |
| 300240019 | √144 | 12 | |
| 300240020 | √169 | 13 | |
| 300240021 | √196 | 14 | |
| 300240022 | √225 | 15 | |
| 300240023 | √256 | 16 | |
| 300240024 | √289 | 17 | |
| 300240025 | √324 | 18 | |
| 300240026 | √361 | 19 | |
| 300240027 | √400 | 20 | |
| 300240028 | √441 | 21 | |
| 300240029 | √484 | 22 | |
| 300240030 | √529 | 23 | |
| 300240031 | √576 | 24 | |
| 300240032 | √625 | 25 | 

