Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 792 · 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. 1.26 × 99 =
2. 2.5 × 9 =
3. 3.58 × 99 =
4. 4.8905 × 999 =
5. 5.841 × 999 =
6. 6.96 × 99 =
7. 7.6 × 99 =
8. 8.939 × 999 =
9. 9.71 × 99 =
10. 10.10915 × 999 =
11. 11.868 × 99 =
12. 12.985 × 999 =
13. 13.27 × 99 =
14. 14.20921 × 999 =
15. 15.3 × 9 =
16. 16.8 × 9 =
17. 17.2 × 9 =
18. 18.82 × 99 =
19. 19.916 × 999 =
20. 20.27017 × 999 =
21. 21.4 × 9 =
22. 22.3 × 99 =
23. 23.4 × 9 =
24. 24.18 × 99 =
25. 25.5 × 9 =
26. 26.344 × 999 =
27. 27.2 × 9 =
28. 28.618 × 999 =
29. 29.561 × 999 =
30. 30.2661 × 99 =
31. 31.1874 × 99 =
32. 32.27 × 99 =
33. 33.3 × 9 =
34. 34.7 × 9 =
35. 35.127 × 999 =
36. 36.19286 × 999 =
37. 37.1061 × 99 =
38. 38.71 × 99 =
39. 39.2 × 9 =
40. 40.36 × 99 =

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