Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 738 · 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. 1.831 × 999 =
2. 2.7 × 9 =
3. 3.17508 × 999 =
4. 4.33 × 99 =
5. 5.163 × 999 =
6. 6.881 × 999 =
7. 7.6 × 9 =
8. 8.256 × 99 =
9. 9.18712 × 999 =
10. 10.1747 × 99 =
11. 11.8 × 9 =
12. 12.34 × 99 =
13. 13.68 × 9 =
14. 14.461 × 999 =
15. 15.216 × 999 =
16. 16.623 × 999 =
17. 17.116 × 99 =
18. 18.645 × 999 =
19. 19.5 × 9 =
20. 20.7132 × 999 =
21. 21.25 × 99 =
22. 22.675 × 999 =
23. 23.541 × 999 =
24. 24.55 × 99 =
25. 25.3 × 9 =
26. 26.904 × 999 =
27. 27.6 × 999 =
28. 28.134 × 9 =
29. 29.31 × 9 =
30. 30.747 × 999 =
31. 31.84 × 9 =
32. 32.967 × 999 =
33. 33.5 × 9 =
34. 34.57 × 999 =
35. 35.419 × 999 =
36. 36.431 × 999 =
37. 37.1241 × 99 =
38. 38.224 × 999 =
39. 39.86 × 999 =
40. 40.239 × 9 =

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