Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 625 · 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. 1.27 × 99 =
2. 2.18516 × 999 =
3. 3.228 × 999 =
4. 4.4 × 9 =
5. 5.3 × 9 =
6. 6.177 × 9 =
7. 7.608 × 999 =
8. 8.672 × 99 =
9. 9.2631 × 99 =
10. 10.44 × 99 =
11. 11.367 × 999 =
12. 12.25971 × 999 =
13. 13.39 × 99 =
14. 14.59 × 99 =
15. 15.394 × 999 =
16. 16.84 × 99 =
17. 17.56 × 99 =
18. 18.233 × 9 =
19. 19.56 × 99 =
20. 20.84 × 99 =
21. 21.2 × 9 =
22. 22.5 × 9 =
23. 23.671 × 99 =
24. 24.747 × 999 =
25. 25.711 × 999 =
26. 26.122 × 9 =
27. 27.878 × 999 =
28. 28.65 × 99 =
29. 29.8 × 9 =
30. 30.85 × 99 =
31. 31.22733 × 999 =
32. 32.11 × 99 =
33. 33.69 × 99 =
34. 34.6 × 9 =
35. 35.291 × 999 =
36. 36.201 × 9 =
37. 37.18217 × 999 =
38. 38.2968 × 99 =
39. 39.62 × 99 =
40. 40.91 × 99 =

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