Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 467 · 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. 2.754 × 99 =
3. 3.4 × 9 =
4. 4.131 × 9 =
5. 5.86 × 99 =
6. 6.501 × 999 =
7. 7.871 × 99 =
8. 8.5 × 9 =
9. 9.4 × 9 =
10. 10.59 × 99 =
11. 11.112 × 999 =
12. 12.145 × 9 =
13. 13.5 × 9 =
14. 14.13 × 9 =
15. 15.4 × 99 =
16. 16.55 × 99 =
17. 17.2459 × 99 =
18. 18.20021 × 999 =
19. 19.254 × 9 =
20. 20.2 × 9 =
21. 21.493 × 999 =
22. 22.46 × 9 =
23. 23.5 × 9 =
24. 24.371 × 999 =
25. 25.891 × 999 =
26. 26.61 × 99 =
27. 27.56 × 99 =
28. 28.214 × 9 =
29. 29.12 × 999 =
30. 30.362 × 999 =
31. 31.5 × 9 =
32. 32.198 × 9 =
33. 33.539 × 99 =
34. 34.3 × 9 =
35. 35.85 × 99 =
36. 36.55 × 99 =
37. 37.201 × 9 =
38. 38.112 × 9 =
39. 39.207 × 9 =
40. 40.236 × 999 =

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