Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 841 · 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. 1.25247 × 999 =
2. 2.3 × 99 =
3. 3.616 × 999 =
4. 4.2558 × 99 =
5. 5.11 × 99 =
6. 6.258 × 9 =
7. 7.8745 × 999 =
8. 8.3 × 9 =
9. 9.86 × 9 =
10. 10.504 × 999 =
11. 11.295 × 999 =
12. 12.35 × 9 =
13. 13.344 × 999 =
14. 14.23 × 99 =
15. 15.173 × 999 =
16. 16.19 × 99 =
17. 17.5 × 9 =
18. 18.2163 × 999 =
19. 19.25 × 99 =
20. 20.176 × 9 =
21. 21.28 × 99 =
22. 22.1913 × 99 =
23. 23.7 × 9 =
24. 24.8 × 9 =
25. 25.483 × 999 =
26. 26.111 × 999 =
27. 27.61 × 99 =
28. 28.622 × 999 =
29. 29.5 × 9 =
30. 30.2 × 9 =
31. 31.2655 × 999 =
32. 32.34 × 99 =
33. 33.52 × 99 =
34. 34.83 × 99 =
35. 35.73 × 99 =
36. 36.3 × 99 =
37. 37.1135 × 99 =
38. 38.31 × 99 =
39. 39.226 × 9 =
40. 40.75 × 99 =

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