Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 530 · 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. 1.178 × 9 =
2. 2.162 × 9 =
3. 3.56 × 99 =
4. 4.24 × 999 =
5. 5.95 × 99 =
6. 6.105 × 9 =
7. 7.7 × 9 =
8. 8.81 × 99 =
9. 9.37 × 99 =
10. 10.791 × 999 =
11. 11.182 × 9 =
12. 12.2501 × 99 =
13. 13.19 × 99 =
14. 14.41 × 999 =
15. 15.191 × 9 =
16. 16.2 × 9 =
17. 17.4 × 9 =
18. 18.68 × 99 =
19. 19.47 × 99 =
20. 20.5 × 9 =
21. 21.34 × 999 =
22. 22.2696 × 999 =
23. 23.7 × 999 =
24. 24.51 × 99 =
25. 25.6 × 9 =
26. 26.1161 × 999 =
27. 27.6 × 9 =
28. 28.3 × 9 =
29. 29.26255 × 999 =
30. 30.597 × 99 =
31. 31.181 × 9 =
32. 32.45 × 99 =
33. 33.1291 × 999 =
34. 34.28 × 99 =
35. 35.23 × 99 =
36. 36.7 × 9 =
37. 37.8291 × 999 =
38. 38.177 × 99 =
39. 39.361 × 999 =
40. 40.258 × 9 =

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