Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 935 · 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. 1.9201 × 999 =
2. 2.113 × 999 =
3. 3.181 × 9 =
4. 4.176 × 9 =
5. 5.431 × 999 =
6. 6.548 × 999 =
7. 7.2 × 9 =
8. 8.98 × 99 =
9. 9.617 × 999 =
10. 10.4 × 9 =
11. 11.581 × 999 =
12. 12.6 × 9 =
13. 13.97 × 99 =
14. 14.24101 × 999 =
15. 15.87 × 99 =
16. 16.629 × 999 =
17. 17.7 × 9 =
18. 18.2555 × 99 =
19. 19.2 × 9 =
20. 20.7 × 9 =
21. 21.11 × 99 =
22. 22.598 × 999 =
23. 23.31 × 9 =
24. 24.692 × 999 =
25. 25.443 × 99 =
26. 26.5 × 9 =
27. 27.7 × 9 =
28. 28.34 × 99 =
29. 29.28 × 99 =
30. 30.13 × 99 =
31. 31.8 × 9 =
32. 32.29 × 99 =
33. 33.4 × 9 =
34. 34.2809 × 99 =
35. 35.10305 × 999 =
36. 36.1953 × 99 =
37. 37.42 × 99 =
38. 38.323 × 999 =
39. 39.274 × 999 =
40. 40.2 × 9 =

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