Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 294 · 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. 2.25 × 9 =
3. 3.35 × 9 =
4. 4.4 × 9 =
5. 5.518 × 999 =
6. 6.6 × 9 =
7. 7.639 × 99 =
8. 8.807 × 99 =
9. 9.57 × 99 =
10. 10.38 × 99 =
11. 11.5306 × 999 =
12. 12.195 × 9 =
13. 13.235 × 9 =
14. 14.177 × 9 =
15. 15.4 × 9 =
16. 16.6 × 9 =
17. 17.68 × 99 =
18. 18.504 × 999 =
19. 19.4 × 99 =
20. 20.691 × 999 =
21. 21.173 × 999 =
22. 22.41 × 99 =
23. 23.8 × 9 =
24. 24.95 × 99 =
25. 25.96 × 99 =
26. 26.2881 × 99 =
27. 27.3 × 9 =
28. 28.28 × 99 =
29. 29.4 × 9 =
30. 30.3 × 9 =
31. 31.22791 × 999 =
32. 32.64 × 99 =
33. 33.37 × 99 =
34. 34.2887 × 99 =
35. 35.508 × 999 =
36. 36.97 × 99 =
37. 37.296 × 99 =
38. 38.107 × 999 =
39. 39.89 × 99 =
40. 40.7 × 9 =

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