| Problem | Default Method | Solution |
|---|---|---|
| Divide 400 by 9 | Long Division | 44r4 |
| Divide 410 by 9 | Long Division | 45r5 |
| Divide 420 by 9 | Long Division | 46r6 |
| Divide 430 by 9 | Long Division | 47r7 |
| Divide 440 by 9 | Long Division | 48r8 |
| Divide 450 by 9 | Reducing Factors | 50 |
| Divide 460 by 9 | Long Division | 51r1 |
| Divide 470 by 9 | Long Division | 52r2 |
| Divide 480 by 9 | Long Division | 53r3 |
| Divide 490 by 9 | Long Division | 54r4 |