Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 300 · 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. 1.607 × 99 =
2. 2.101 × 999 =
3. 3.11 × 99 =
4. 4.831 × 999 =
5. 5.11 × 99 =
6. 6.552 × 99 =
7. 7.93 × 999 =
8. 8.2 × 9 =
9. 9.14829 × 999 =
10. 10.25452 × 999 =
11. 11.34 × 9 =
12. 12.27 × 99 =
13. 13.138 × 9 =
14. 14.10968 × 999 =
15. 15.11 × 99 =
16. 16.266 × 999 =
17. 17.437 × 999 =
18. 18.2 × 99 =
19. 19.16851 × 999 =
20. 20.2324 × 999 =
21. 21.8 × 9 =
22. 22.2 × 9 =
23. 23.48 × 99 =
24. 24.39 × 99 =
25. 25.417 × 999 =
26. 26.98 × 99 =
27. 27.6 × 9 =
28. 28.97 × 99 =
29. 29.219 × 9 =
30. 30.7 × 9 =
31. 31.7 × 9 =
32. 32.65 × 9 =
33. 33.239 × 9 =
34. 34.8 × 9 =
35. 35.51 × 99 =
36. 36.885 × 99 =
37. 37.5 × 99 =
38. 38.754 × 999 =
39. 39.468 × 999 =
40. 40.158 × 999 =

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