Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 365 · 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. 1.2 × 9 =
2. 2.94 × 99 =
3. 3.1762 × 99 =
4. 4.115 × 9 =
5. 5.902 × 999 =
6. 6.333 × 999 =
7. 7.2 × 9 =
8. 8.84 × 99 =
9. 9.123 × 9 =
10. 10.31 × 99 =
11. 11.225 × 999 =
12. 12.626 × 999 =
13. 13.33 × 99 =
14. 14.2 × 9 =
15. 15.293 × 999 =
16. 16.74 × 99 =
17. 17.1101 × 99 =
18. 18.641 × 999 =
19. 19.26483 × 999 =
20. 20.24 × 9 =
21. 21.5 × 9 =
22. 22.3 × 9 =
23. 23.808 × 999 =
24. 24.267 × 999 =
25. 25.2 × 9 =
26. 26.11 × 99 =
27. 27.91 × 9 =
28. 28.8 × 9 =
29. 29.168 × 9 =
30. 30.44 × 99 =
31. 31.74 × 99 =
32. 32.972 × 999 =
33. 33.707 × 999 =
34. 34.968 × 999 =
35. 35.451 × 999 =
36. 36.4 × 9 =
37. 37.62 × 99 =
38. 38.2 × 9 =
39. 39.98 × 99 =
40. 40.4 × 9 =

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