Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 977 · 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. 1.27 × 99 =
2. 2.64 × 99 =
3. 3.7 × 9 =
4. 4.10935 × 999 =
5. 5.362 × 999 =
6. 6.38 × 99 =
7. 7.3 × 9 =
8. 8.18696 × 999 =
9. 9.81 × 99 =
10. 10.7 × 9 =
11. 11.2 × 9 =
12. 12.2 × 9 =
13. 13.872 × 999 =
14. 14.203 × 9 =
15. 15.2 × 9 =
16. 16.76 × 99 =
17. 17.6688 × 999 =
18. 18.91 × 99 =
19. 19.7 × 9 =
20. 20.2 × 9 =
21. 21.4 × 9 =
22. 22.2218 × 99 =
23. 23.4 × 9 =
24. 24.6 × 9 =
25. 25.58 × 99 =
26. 26.223 × 9 =
27. 27.273 × 999 =
28. 28.91 × 999 =
29. 29.4457 × 999 =
30. 30.3719 × 999 =
31. 31.2 × 9 =
32. 32.466 × 999 =
33. 33.181 × 999 =
34. 34.2571 × 99 =
35. 35.26 × 99 =
36. 36.186 × 9 =
37. 37.18391 × 999 =
38. 38.2 × 9 =
39. 39.28996 × 999 =
40. 40.53 × 99 =

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