Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 746 · 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. 1.8939 × 999 =
2. 2.3 × 9 =
3. 3.7 × 9 =
4. 4.356 × 999 =
5. 5.7 × 9 =
6. 6.474 × 999 =
7. 7.461 × 999 =
8. 8.1063 × 999 =
9. 9.18763 × 999 =
10. 10.61 × 99 =
11. 11.37 × 99 =
12. 12.25 × 9 =
13. 13.123 × 9 =
14. 14.26 × 99 =
15. 15.72 × 99 =
16. 16.2137 × 99 =
17. 17.8 × 9 =
18. 18.205 × 999 =
19. 19.74 × 99 =
20. 20.5 × 99 =
21. 21.255 × 9 =
22. 22.6 × 9 =
23. 23.514 × 999 =
24. 24.181 × 9 =
25. 25.2 × 9 =
26. 26.524 × 999 =
27. 27.3 × 9 =
28. 28.52 × 99 =
29. 29.21387 × 999 =
30. 30.57 × 99 =
31. 31.92 × 99 =
32. 32.794 × 999 =
33. 33.89 × 99 =
34. 34.6 × 9 =
35. 35.555 × 999 =
36. 36.254 × 9 =
37. 37.67 × 99 =
38. 38.2804 × 99 =
39. 39.221 × 9 =
40. 40.9 × 99 =

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