Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 759 · 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. 1.119 × 9 =
2. 2.3 × 9 =
3. 3.41 × 99 =
4. 4.62 × 99 =
5. 5.67 × 99 =
6. 6.23121 × 999 =
7. 7.94 × 99 =
8. 8.6 × 9 =
9. 9.2 × 9 =
10. 10.805 × 999 =
11. 11.8 × 9 =
12. 12.54 × 99 =
13. 13.129 × 9 =
14. 14.289 × 999 =
15. 15.64 × 99 =
16. 16.7 × 9 =
17. 17.1784 × 99 =
18. 18.46 × 99 =
19. 19.2 × 9 =
20. 20.2004 × 99 =
21. 21.5 × 9 =
22. 22.3 × 9 =
23. 23.8 × 9 =
24. 24.134 × 999 =
25. 25.2 × 9 =
26. 26.66 × 9 =
27. 27.91 × 99 =
28. 28.81 × 99 =
29. 29.196 × 9 =
30. 30.32 × 99 =
31. 31.4 × 9 =
32. 32.14 × 99 =
33. 33.168 × 999 =
34. 34.16392 × 999 =
35. 35.61 × 99 =
36. 36.59 × 99 =
37. 37.4 × 9 =
38. 38.4 × 9 =
39. 39.927 × 999 =
40. 40.6 × 9 =

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