Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 693 · 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. 2.56 × 99 =
3. 3.7 × 9 =
4. 4.613 × 999 =
5. 5.74 × 99 =
6. 6.881 × 999 =
7. 7.8 × 9 =
8. 8.32 × 99 =
9. 9.238 × 999 =
10. 10.2754 × 99 =
11. 11.17323 × 999 =
12. 12.7 × 9 =
13. 13.7 × 9 =
14. 14.2873 × 99 =
15. 15.22556 × 999 =
16. 16.7 × 9 =
17. 17.14692 × 999 =
18. 18.57 × 99 =
19. 19.25 × 99 =
20. 20.188 × 999 =
21. 21.7 × 9 =
22. 22.173 × 9 =
23. 23.38 × 99 =
24. 24.1976 × 99 =
25. 25.973 × 999 =
26. 26.681 × 99 =
27. 27.41 × 99 =
28. 28.7 × 9 =
29. 29.6 × 9 =
30. 30.44 × 99 =
31. 31.2 × 9 =
32. 32.2 × 9 =
33. 33.477 × 999 =
34. 34.675 × 999 =
35. 35.43 × 99 =
36. 36.164 × 999 =
37. 37.7 × 9 =
38. 38.2294 × 99 =
39. 39.577 × 99 =
40. 40.7 × 9 =

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