Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 842 · 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. 1.1094 × 99 =
2. 2.25482 × 999 =
3. 3.9 × 99 =
4. 4.8 × 99 =
5. 5.196 × 999 =
6. 6.4 × 9 =
7. 7.477 × 999 =
8. 8.382 × 999 =
9. 9.4 × 99 =
10. 10.119 × 9 =
11. 11.5 × 9 =
12. 12.3 × 9 =
13. 13.12 × 99 =
14. 14.159 × 9 =
15. 15.37 × 99 =
16. 16.3 × 9 =
17. 17.42 × 9 =
18. 18.145 × 999 =
19. 19.29 × 99 =
20. 20.8 × 9 =
21. 21.3 × 9 =
22. 22.29 × 999 =
23. 23.81 × 99 =
24. 24.265 × 999 =
25. 25.125 × 999 =
26. 26.5 × 9 =
27. 27.902 × 999 =
28. 28.5 × 9 =
29. 29.949 × 999 =
30. 30.32 × 99 =
31. 31.7 × 9 =
32. 32.491 × 999 =
33. 33.75 × 99 =
34. 34.75 × 99 =
35. 35.7 × 9 =
36. 36.18328 × 999 =
37. 37.205 × 999 =
38. 38.207 × 9 =
39. 39.7 × 9 =
40. 40.64 × 99 =

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