Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 543 · 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. 1.3 × 9 =
2. 2.4922 × 999 =
3. 3.7 × 9 =
4. 4.7631 × 999 =
5. 5.15 × 99 =
6. 6.5 × 9 =
7. 7.3 × 9 =
8. 8.633 × 999 =
9. 9.191 × 9 =
10. 10.2803 × 99 =
11. 11.241 × 9 =
12. 12.163 × 999 =
13. 13.4 × 9 =
14. 14.21325 × 999 =
15. 15.1548 × 99 =
16. 16.13414 × 999 =
17. 17.133 × 9 =
18. 18.601 × 99 =
19. 19.1157 × 99 =
20. 20.7 × 9 =
21. 21.93 × 99 =
22. 22.936 × 999 =
23. 23.82 × 99 =
24. 24.214 × 99 =
25. 25.131 × 9 =
26. 26.538 × 999 =
27. 27.96 × 99 =
28. 28.72 × 99 =
29. 29.8 × 9 =
30. 30.34 × 99 =
31. 31.7 × 9 =
32. 32.7 × 9 =
33. 33.6 × 9 =
34. 34.2072 × 99 =
35. 35.2436 × 99 =
36. 36.69 × 99 =
37. 37.126 × 9 =
38. 38.185 × 9 =
39. 39.631 × 999 =
40. 40.5 × 9 =

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