Find 1000 more or less than a given number
| 1. | 1000 less, 1000 more than 4215 | |
| 2. | 1000 less, 1 more than 7999 | |
| 3. | 1000 less, 1000 more than 3690 | |
| 4. | 1000 less, 100 more than 4035 | |
| 5. | 1000 less, 100 more than 1000 | |
| 6. | 1000 less, 1000 more than 1900 | |
| 7. | 100 less, 1000 more than 1795 | |
| 8. | 1000 less, 10 more than 8712 | |
| 9. | 1000 less, 100 more than 6995 | |
| 10. | 100 less, 1 more than 5999 | |
| 11. | 1000 less, 1 more than 8799 | |
| 12. | 100 less, 1000 more than 5000 | |
| 13. | 1 less, 1000 more than 8000 | |
| 14. | Changing Numbers - 2943 to 1943 | |
| 15. | Changing Numbers - 820 to 1820 | |
| 16. | 1000 less, 100 more than 6793 | |
| 17. | 1000 less, 100 more than 1643 | |
| 18. | 1000 less, 1 more than 3589 | |
| 19. | 1000 less, 1000 more than 45 369 | |
| 20. | 1000 less, 1000 more than 69 855 | |
| 21. | 1000 less, 1000 more than 75 258 | |
| 22. | Changing Numbers: Add 10, 100, 1000 to 2345 | |
| 23. | Changing Numbers: Add 10, 100, 1000 to 6789 | |
| 24. | 1000 less, 1000 more than 212 673 | |
| 25. | 1000 less, 100 more than 4550 | |
| 26. | 1000 less, 1000 more than 1001 | |
| 27. | 1000 less, 1000 more than 4035 |