Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 119 · 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. 1.256 × 9 =
2. 2.111 × 999 =
3. 3.8 × 9 =
4. 4.236 × 9 =
5. 5.8 × 9 =
6. 6.1936 × 99 =
7. 7.29 × 99 =
8. 8.5 × 9 =
9. 9.5 × 9 =
10. 10.95 × 99 =
11. 11.1632 × 99 =
12. 12.2484 × 99 =
13. 13.739 × 999 =
14. 14.21 × 99 =
15. 15.372 × 999 =
16. 16.446 × 99 =
17. 17.7 × 9 =
18. 18.2206 × 99 =
19. 19.2 × 9 =
20. 20.8 × 9 =
21. 21.8 × 9 =
22. 22.843 × 999 =
23. 23.141 × 9 =
24. 24.57 × 999 =
25. 25.4 × 9 =
26. 26.4 × 9 =
27. 27.195 × 99 =
28. 28.73 × 99 =
29. 29.41 × 99 =
30. 30.671 × 999 =
31. 31.48 × 99 =
32. 32.6 × 9 =
33. 33.8 × 9 =
34. 34.21 × 99 =
35. 35.7 × 9 =
36. 36.88 × 99 =
37. 37.408 × 999 =
38. 38.4 × 9 =
39. 39.2 × 9 =
40. 40.3 × 9 =

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