Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 203 · 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. 1.196 × 999 =
2. 2.669 × 999 =
3. 3.2 × 9 =
4. 4.6 × 9 =
5. 5.8 × 9 =
6. 6.133 × 999 =
7. 7.754 × 999 =
8. 8.8 × 9 =
9. 9.9 × 99 =
10. 10.26 × 99 =
11. 11.94 × 99 =
12. 12.161 × 999 =
13. 13.176 × 999 =
14. 14.3 × 9 =
15. 15.914 × 999 =
16. 16.2 × 9 =
17. 17.13103 × 999 =
18. 18.17056 × 999 =
19. 19.5 × 9 =
20. 20.3837 × 999 =
21. 21.2792 × 99 =
22. 22.35 × 99 =
23. 23.49 × 99 =
24. 24.217 × 999 =
25. 25.22 × 99 =
26. 26.794 × 999 =
27. 27.618 × 999 =
28. 28.11 × 99 =
29. 29.8 × 9 =
30. 30.41 × 99 =
31. 31.8 × 9 =
32. 32.298 × 999 =
33. 33.619 × 999 =
34. 34.441 × 999 =
35. 35.3 × 9 =
36. 36.75 × 99 =
37. 37.47 × 99 =
38. 38.92 × 99 =
39. 39.52 × 999 =
40. 40.2 × 9 =

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