Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 949 · 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. 1.20965 × 999 =
2. 2.261 × 999 =
3. 3.6319 × 999 =
4. 4.877 × 99 =
5. 5.3 × 99 =
6. 6.356 × 999 =
7. 7.2 × 9 =
8. 8.7 × 9 =
9. 9.43 × 9 =
10. 10.45 × 99 =
11. 11.62 × 99 =
12. 12.1538 × 99 =
13. 13.3 × 9 =
14. 14.542 × 999 =
15. 15.514 × 999 =
16. 16.886 × 999 =
17. 17.2674 × 999 =
18. 18.423 × 999 =
19. 19.3 × 99 =
20. 20.142 × 9 =
21. 21.2585 × 99 =
22. 22.5 × 9 =
23. 23.2 × 9 =
24. 24.9 × 99 =
25. 25.18 × 99 =
26. 26.497 × 999 =
27. 27.1664 × 99 =
28. 28.8 × 9 =
29. 29.8 × 9 =
30. 30.963 × 999 =
31. 31.4 × 9 =
32. 32.23907 × 999 =
33. 33.253 × 9 =
34. 34.3556 × 999 =
35. 35.22 × 99 =
36. 36.97 × 99 =
37. 37.869 × 99 =
38. 38.2 × 9 =
39. 39.51 × 99 =
40. 40.34 × 99 =

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