Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 74 · 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. 1.153 × 999 =
2. 2.6 × 9 =
3. 3.8 × 9 =
4. 4.78 × 99 =
5. 5.77 × 99 =
6. 6.28 × 99 =
7. 7.325 × 999 =
8. 8.763 × 999 =
9. 9.721 × 999 =
10. 10.2 × 9 =
11. 11.42 × 99 =
12. 12.704 × 999 =
13. 13.2874 × 99 =
14. 14.33 × 99 =
15. 15.219 × 9 =
16. 16.97 × 9 =
17. 17.927 × 999 =
18. 18.46 × 99 =
19. 19.202 × 9 =
20. 20.111 × 9 =
21. 21.44 × 99 =
22. 22.48 × 99 =
23. 23.32 × 99 =
24. 24.66 × 99 =
25. 25.5419 × 999 =
26. 26.5 × 9 =
27. 27.1502 × 99 =
28. 28.103 × 99 =
29. 29.7 × 99 =
30. 30.83 × 9 =
31. 31.518 × 999 =
32. 32.938 × 999 =
33. 33.1391 × 99 =
34. 34.14 × 99 =
35. 35.3591 × 999 =
36. 36.181 × 999 =
37. 37.37 × 9 =
38. 38.854 × 999 =
39. 39.265 × 999 =
40. 40.3 × 9 =

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