Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 125 · 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. 1.10125 × 999 =
2. 2.137 × 9 =
3. 3.3 × 9 =
4. 4.7 × 9 =
5. 5.219 × 999 =
6. 6.191 × 9 =
7. 7.25545 × 999 =
8. 8.7 × 9 =
9. 9.3 × 9 =
10. 10.6 × 9 =
11. 11.2746 × 99 =
12. 12.21 × 99 =
13. 13.236 × 9 =
14. 14.498 × 999 =
15. 15.47 × 99 =
16. 16.79 × 99 =
17. 17.184 × 999 =
18. 18.66 × 9 =
19. 19.2 × 9 =
20. 20.687 × 999 =
21. 21.12 × 99 =
22. 22.9 × 99 =
23. 23.97 × 99 =
24. 24.22229 × 999 =
25. 25.1251 × 99 =
26. 26.201 × 999 =
27. 27.2649 × 99 =
28. 28.223 × 999 =
29. 29.2617 × 99 =
30. 30.73 × 99 =
31. 31.7 × 9 =
32. 32.3 × 9 =
33. 33.956 × 999 =
34. 34.8 × 9 =
35. 35.287 × 99 =
36. 36.901 × 999 =
37. 37.78 × 99 =
38. 38.114 × 999 =
39. 39.358 × 99 =
40. 40.77 × 99 =

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