Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 127 · 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. 1.81 × 99 =
2. 2.271 × 9 =
3. 3.96 × 99 =
4. 4.82 × 99 =
5. 5.701 × 999 =
6. 6.986 × 999 =
7. 7.22312 × 999 =
8. 8.38 × 9 =
9. 9.934 × 999 =
10. 10.229 × 9 =
11. 11.3 × 9 =
12. 12.1898 × 99 =
13. 13.72 × 99 =
14. 14.181 × 999 =
15. 15.3868 × 999 =
16. 16.61 × 99 =
17. 17.1165 × 99 =
18. 18.83 × 99 =
19. 19.112 × 9 =
20. 20.215 × 9 =
21. 21.7 × 9 =
22. 22.5 × 9 =
23. 23.41 × 9 =
24. 24.398 × 999 =
25. 25.339 × 999 =
26. 26.15 × 99 =
27. 27.327 × 999 =
28. 28.22 × 99 =
29. 29.13 × 99 =
30. 30.2958 × 99 =
31. 31.964 × 999 =
32. 32.19 × 99 =
33. 33.21082 × 999 =
34. 34.2 × 9 =
35. 35.5 × 9 =
36. 36.3 × 99 =
37. 37.334 × 999 =
38. 38.57 × 99 =
39. 39.5948 × 999 =
40. 40.25 × 99 =

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