Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 195 · 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. 1.861 × 999 =
2. 2.86 × 99 =
3. 3.494 × 999 =
4. 4.93 × 999 =
5. 5.4 × 9 =
6. 6.282 × 99 =
7. 7.3 × 9 =
8. 8.71 × 99 =
9. 9.2681 × 999 =
10. 10.822 × 999 =
11. 11.4 × 9 =
12. 12.8 × 9 =
13. 13.7 × 99 =
14. 14.71 × 9 =
15. 15.2 × 9 =
16. 16.11 × 99 =
17. 17.591 × 999 =
18. 18.64 × 99 =
19. 19.561 × 999 =
20. 20.72 × 9 =
21. 21.64 × 99 =
22. 22.2865 × 99 =
23. 23.78 × 99 =
24. 24.57 × 9 =
25. 25.23 × 99 =
26. 26.209 × 9 =
27. 27.71 × 99 =
28. 28.86 × 99 =
29. 29.6 × 9 =
30. 30.84 × 99 =
31. 31.65 × 99 =
32. 32.538 × 99 =
33. 33.18 × 99 =
34. 34.4 × 9 =
35. 35.471 × 999 =
36. 36.29 × 99 =
37. 37.77 × 99 =
38. 38.309 × 99 =
39. 39.2 × 9 =
40. 40.5 × 9 =

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