Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 298 · 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. 2.51 × 99 =
3. 3.8 × 9 =
4. 4.41 × 99 =
5. 5.41 × 99 =
6. 6.4 × 99 =
7. 7.1047 × 999 =
8. 8.43 × 9 =
9. 9.6 × 9 =
10. 10.68 × 99 =
11. 11.5 × 9 =
12. 12.27 × 99 =
13. 13.1116 × 99 =
14. 14.107 × 9 =
15. 15.2 × 9 =
16. 16.736 × 999 =
17. 17.383 × 999 =
18. 18.4 × 99 =
19. 19.15723 × 999 =
20. 20.18 × 99 =
21. 21.79 × 99 =
22. 22.71 × 9 =
23. 23.992 × 999 =
24. 24.25 × 9 =
25. 25.81 × 99 =
26. 26.811 × 999 =
27. 27.2246 × 99 =
28. 28.299 × 99 =
29. 29.987 × 99 =
30. 30.84 × 99 =
31. 31.6606 × 999 =
32. 32.3 × 9 =
33. 33.998 × 999 =
34. 34.1862 × 99 =
35. 35.2139 × 99 =
36. 36.95 × 99 =
37. 37.91 × 99 =
38. 38.7 × 99 =
39. 39.46 × 999 =
40. 40.894 × 999 =

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