Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 627 · 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. 1.2 × 9 =
2. 2.131 × 999 =
3. 3.261 × 999 =
4. 4.59 × 99 =
5. 5.6 × 9 =
6. 6.11868 × 999 =
7. 7.9501 × 999 =
8. 8.347 × 999 =
9. 9.218 × 9 =
10. 10.18 × 99 =
11. 11.1119 × 99 =
12. 12.6 × 9 =
13. 13.3 × 9 =
14. 14.39 × 9 =
15. 15.106 × 999 =
16. 16.7 × 9 =
17. 17.3 × 9 =
18. 18.18 × 99 =
19. 19.3 × 9 =
20. 20.8 × 9 =
21. 21.191 × 9 =
22. 22.21 × 99 =
23. 23.331 × 999 =
24. 24.201 × 9 =
25. 25.4 × 9 =
26. 26.195 × 9 =
27. 27.439 × 99 =
28. 28.67 × 99 =
29. 29.57 × 99 =
30. 30.4 × 9 =
31. 31.4 × 9 =
32. 32.8 × 9 =
33. 33.8 × 9 =
34. 34.43 × 99 =
35. 35.4 × 99 =
36. 36.681 × 999 =
37. 37.84 × 99 =
38. 38.241 × 999 =
39. 39.4049 × 999 =
40. 40.5 × 9 =

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