Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 175 · 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. 1.6 × 9 =
2. 2.59 × 99 =
3. 3.435 × 999 =
4. 4.3 × 9 =
5. 5.8 × 9 =
6. 6.61 × 99 =
7. 7.2538 × 99 =
8. 8.226 × 9 =
9. 9.322 × 99 =
10. 10.39 × 99 =
11. 11.2 × 9 =
12. 12.6 × 9 =
13. 13.33 × 99 =
14. 14.16 × 99 =
15. 15.2836 × 99 =
16. 16.3 × 9 =
17. 17.2588 × 99 =
18. 18.118 × 9 =
19. 19.865 × 99 =
20. 20.5 × 9 =
21. 21.11 × 99 =
22. 22.22 × 99 =
23. 23.7 × 9 =
24. 24.6 × 9 =
25. 25.62 × 99 =
26. 26.25119 × 999 =
27. 27.7 × 9 =
28. 28.5 × 9 =
29. 29.7541 × 999 =
30. 30.31 × 9 =
31. 31.2659 × 999 =
32. 32.3 × 9 =
33. 33.53 × 99 =
34. 34.19 × 99 =
35. 35.48 × 999 =
36. 36.94 × 99 =
37. 37.7 × 9 =
38. 38.168 × 999 =
39. 39.7498 × 999 =
40. 40.5 × 9 =

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