Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 465 · 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. 1.262 × 9 =
2. 2.37 × 99 =
3. 3.7 × 9 =
4. 4.16012 × 999 =
5. 5.2498 × 99 =
6. 6.5 × 9 =
7. 7.89 × 99 =
8. 8.51 × 99 =
9. 9.62 × 9 =
10. 10.4 × 9 =
11. 11.23 × 99 =
12. 12.4 × 9 =
13. 13.72 × 99 =
14. 14.135 × 9 =
15. 15.2 × 9 =
16. 16.1155 × 99 =
17. 17.8 × 9 =
18. 18.6 × 9 =
19. 19.3 × 9 =
20. 20.1217 × 999 =
21. 21.53 × 9 =
22. 22.57 × 99 =
23. 23.4 × 99 =
24. 24.3 × 9 =
25. 25.6 × 9 =
26. 26.259 × 999 =
27. 27.32 × 999 =
28. 28.7 × 9 =
29. 29.27495 × 999 =
30. 30.914 × 999 =
31. 31.2 × 9 =
32. 32.463 × 999 =
33. 33.33 × 99 =
34. 34.3 × 9 =
35. 35.42 × 99 =
36. 36.58 × 99 =
37. 37.181 × 9 =
38. 38.11 × 99 =
39. 39.448 × 999 =
40. 40.47 × 9 =

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