Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 997 · 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. 1.20747 × 999 =
2. 2.6 × 9 =
3. 3.241 × 99 =
4. 4.18 × 9 =
5. 5.553 × 999 =
6. 6.4 × 9 =
7. 7.96 × 99 =
8. 8.91 × 99 =
9. 9.9591 × 999 =
10. 10.3 × 9 =
11. 11.47 × 99 =
12. 12.53 × 9 =
13. 13.5 × 9 =
14. 14.92 × 99 =
15. 15.64 × 99 =
16. 16.20508 × 999 =
17. 17.6 × 9 =
18. 18.4 × 9 =
19. 19.41 × 99 =
20. 20.4 × 9 =
21. 21.881 × 999 =
22. 22.8 × 9 =
23. 23.267 × 999 =
24. 24.22587 × 999 =
25. 25.3 × 9 =
26. 26.246 × 9 =
27. 27.77 × 99 =
28. 28.954 × 999 =
29. 29.66 × 9 =
30. 30.1892 × 99 =
31. 31.112 × 999 =
32. 32.6 × 9 =
33. 33.93 × 99 =
34. 34.93 × 999 =
35. 35.58 × 9 =
36. 36.83 × 99 =
37. 37.6617 × 999 =
38. 38.138 × 999 =
39. 39.233 × 9 =
40. 40.581 × 999 =

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