Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 944 · 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. 1.20913 × 999 =
2. 2.7 × 9 =
3. 3.31 × 9 =
4. 4.6 × 9 =
5. 5.2369 × 99 =
6. 6.8 × 9 =
7. 7.316 × 999 =
8. 8.25061 × 999 =
9. 9.4 × 9 =
10. 10.5 × 9 =
11. 11.34 × 999 =
12. 12.379 × 999 =
13. 13.17033 × 999 =
14. 14.925 × 99 =
15. 15.3 × 9 =
16. 16.166 × 999 =
17. 17.18 × 99 =
18. 18.2 × 9 =
19. 19.56 × 99 =
20. 20.4 × 9 =
21. 21.44 × 99 =
22. 22.444 × 999 =
23. 23.2921 × 999 =
24. 24.55 × 99 =
25. 25.657 × 999 =
26. 26.12 × 99 =
27. 27.14 × 9 =
28. 28.752 × 999 =
29. 29.1148 × 99 =
30. 30.6 × 9 =
31. 31.92 × 99 =
32. 32.591 × 999 =
33. 33.77 × 99 =
34. 34.25 × 99 =
35. 35.91 × 99 =
36. 36.3 × 9 =
37. 37.779 × 999 =
38. 38.36 × 99 =
39. 39.4 × 9 =
40. 40.1695 × 999 =

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