Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 560 · 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. 1.14 × 99 =
2. 2.3557 × 999 =
3. 3.62 × 99 =
4. 4.96 × 99 =
5. 5.3 × 9 =
6. 6.5 × 9 =
7. 7.13 × 99 =
8. 8.86 × 9 =
9. 9.97 × 99 =
10. 10.86 × 99 =
11. 11.49 × 9 =
12. 12.256 × 999 =
13. 13.62 × 9 =
14. 14.991 × 999 =
15. 15.231 × 999 =
16. 16.58 × 99 =
17. 17.7 × 9 =
18. 18.3 × 9 =
19. 19.1502 × 99 =
20. 20.85 × 99 =
21. 21.5 × 9 =
22. 22.959 × 99 =
23. 23.88 × 99 =
24. 24.2 × 9 =
25. 25.41 × 999 =
26. 26.501 × 999 =
27. 27.6 × 9 =
28. 28.79 × 9 =
29. 29.31 × 99 =
30. 30.3795 × 999 =
31. 31.166 × 9 =
32. 32.5 × 9 =
33. 33.7 × 9 =
34. 34.2 × 9 =
35. 35.14 × 99 =
36. 36.981 × 999 =
37. 37.51 × 99 =
38. 38.511 × 999 =
39. 39.2 × 9 =
40. 40.3 × 9 =

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