Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 30 · 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. 1.14627 × 999 =
2. 2.2779 × 99 =
3. 3.1883 × 99 =
4. 4.33 × 99 =
5. 5.2746 × 99 =
6. 6.31 × 99 =
7. 7.145 × 999 =
8. 8.142 × 9 =
9. 9.27 × 99 =
10. 10.608 × 999 =
11. 11.28871 × 999 =
12. 12.57 × 99 =
13. 13.924 × 999 =
14. 14.1121 × 99 =
15. 15.21 × 99 =
16. 16.5 × 9 =
17. 17.31 × 99 =
18. 18.4 × 9 =
19. 19.6 × 9 =
20. 20.474 × 999 =
21. 21.84 × 99 =
22. 22.6 × 9 =
23. 23.7 × 9 =
24. 24.1274 × 99 =
25. 25.75 × 99 =
26. 26.48 × 9 =
27. 27.2 × 9 =
28. 28.45 × 99 =
29. 29.3049 × 999 =
30. 30.49 × 99 =
31. 31.401 × 99 =
32. 32.8 × 9 =
33. 33.76 × 99 =
34. 34.5 × 9 =
35. 35.996 × 99 =
36. 36.287 × 999 =
37. 37.268 × 99 =
38. 38.2 × 9 =
39. 39.2882 × 99 =
40. 40.8 × 9 =

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