Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 107 · 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. 1.812 × 999 =
2. 2.4 × 9 =
3. 3.1904 × 99 =
4. 4.2329 × 99 =
5. 5.758 × 999 =
6. 6.882 × 999 =
7. 7.592 × 999 =
8. 8.8 × 9 =
9. 9.835 × 999 =
10. 10.1339 × 999 =
11. 11.36 × 99 =
12. 12.888 × 999 =
13. 13.4 × 9 =
14. 14.2167 × 99 =
15. 15.6 × 9 =
16. 16.9 × 99 =
17. 17.4 × 9 =
18. 18.12 × 999 =
19. 19.8 × 9 =
20. 20.44 × 99 =
21. 21.532 × 999 =
22. 22.233 × 9 =
23. 23.27181 × 999 =
24. 24.204 × 9 =
25. 25.86 × 99 =
26. 26.61 × 99 =
27. 27.44 × 99 =
28. 28.24 × 99 =
29. 29.76 × 999 =
30. 30.7 × 9 =
31. 31.32 × 99 =
32. 32.62 × 99 =
33. 33.228 × 999 =
34. 34.31 × 99 =
35. 35.237 × 9 =
36. 36.98 × 99 =
37. 37.57 × 99 =
38. 38.111 × 9 =
39. 39.229 × 999 =
40. 40.85 × 999 =

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