Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 934 · 40 sums

The trick (Ekanyunena Purvena): Write the number with as many digits as there are nines (add zeros in front if needed). Left part: the number minus 1. Right part: “all from 9 and the last from 10” of the number. More digits than the nines (237 × 99)? Split off as many digits as there are nines (2 | 37): left = number − (front part + 1) = 234, right = complement of 37 = 63 → 23463.

1. 1.3 × 9 =
2. 2.34 × 99 =
3. 3.2 × 9 =
4. 4.112 × 9 =
5. 5.1663 × 99 =
6. 6.26284 × 999 =
7. 7.76 × 99 =
8. 8.17 × 99 =
9. 9.96 × 99 =
10. 10.7 × 9 =
11. 11.23247 × 999 =
12. 12.27 × 9 =
13. 13.32 × 99 =
14. 14.18 × 99 =
15. 15.8 × 9 =
16. 16.1702 × 99 =
17. 17.641 × 999 =
18. 18.2843 × 999 =
19. 19.105 × 999 =
20. 20.89 × 99 =
21. 21.48 × 99 =
22. 22.21 × 99 =
23. 23.785 × 999 =
24. 24.28 × 99 =
25. 25.8 × 9 =
26. 26.4 × 9 =
27. 27.41 × 99 =
28. 28.533 × 999 =
29. 29.28 × 99 =
30. 30.649 × 999 =
31. 31.224 × 9 =
32. 32.26987 × 999 =
33. 33.184 × 999 =
34. 34.6 × 99 =
35. 35.94 × 99 =
36. 36.35 × 99 =
37. 37.664 × 999 =
38. 38.49 × 99 =
39. 39.81 × 99 =
40. 40.1481 × 999 =

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