Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 838 · 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. 1.15241 × 999 =
2. 2.1189 × 99 =
3. 3.226 × 999 =
4. 4.802 × 999 =
5. 5.43 × 99 =
6. 6.35 × 99 =
7. 7.66 × 99 =
8. 8.1765 × 99 =
9. 9.6 × 9 =
10. 10.13185 × 999 =
11. 11.94 × 99 =
12. 12.543 × 999 =
13. 13.11 × 99 =
14. 14.531 × 999 =
15. 15.6 × 9 =
16. 16.12068 × 999 =
17. 17.4 × 9 =
18. 18.3 × 9 =
19. 19.71 × 99 =
20. 20.432 × 999 =
21. 21.374 × 99 =
22. 22.239 × 999 =
23. 23.221 × 999 =
24. 24.8 × 9 =
25. 25.94 × 99 =
26. 26.3 × 9 =
27. 27.174 × 9 =
28. 28.27 × 99 =
29. 29.598 × 999 =
30. 30.176 × 9 =
31. 31.183 × 9 =
32. 32.4 × 9 =
33. 33.1791 × 99 =
34. 34.6 × 9 =
35. 35.24 × 99 =
36. 36.4 × 9 =
37. 37.796 × 999 =
38. 38.132 × 999 =
39. 39.14427 × 999 =
40. 40.77 × 99 =

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