Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 117 · 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. 1.284 × 999 =
2. 2.647 × 999 =
3. 3.676 × 999 =
4. 4.2257 × 99 =
5. 5.3 × 9 =
6. 6.159 × 9 =
7. 7.36 × 99 =
8. 8.1951 × 99 =
9. 9.767 × 99 =
10. 10.97 × 999 =
11. 11.4 × 9 =
12. 12.71 × 99 =
13. 13.61 × 99 =
14. 14.5 × 9 =
15. 15.7601 × 999 =
16. 16.53 × 99 =
17. 17.831 × 999 =
18. 18.738 × 999 =
19. 19.32 × 99 =
20. 20.87 × 99 =
21. 21.411 × 99 =
22. 22.391 × 999 =
23. 23.7 × 9 =
24. 24.4 × 9 =
25. 25.8 × 9 =
26. 26.42 × 99 =
27. 27.2 × 9 =
28. 28.7 × 9 =
29. 29.2 × 9 =
30. 30.2 × 9 =
31. 31.2 × 9 =
32. 32.7 × 9 =
33. 33.916 × 999 =
34. 34.209 × 9 =
35. 35.4 × 9 =
36. 36.14384 × 999 =
37. 37.48 × 99 =
38. 38.2 × 9 =
39. 39.3001 × 999 =
40. 40.7 × 9 =

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