Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 996 · 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. 1.339 × 999 =
2. 2.6 × 9 =
3. 3.41 × 99 =
4. 4.1156 × 99 =
5. 5.47 × 99 =
6. 6.921 × 999 =
7. 7.68 × 99 =
8. 8.5 × 9 =
9. 9.345 × 999 =
10. 10.16571 × 999 =
11. 11.54 × 99 =
12. 12.7 × 9 =
13. 13.831 × 999 =
14. 14.2 × 9 =
15. 15.9504 × 999 =
16. 16.3 × 9 =
17. 17.5005 × 999 =
18. 18.5 × 9 =
19. 19.5 × 9 =
20. 20.8 × 9 =
21. 21.52 × 99 =
22. 22.2 × 9 =
23. 23.13 × 99 =
24. 24.57 × 99 =
25. 25.3 × 9 =
26. 26.71 × 99 =
27. 27.25 × 9 =
28. 28.112 × 9 =
29. 29.9486 × 999 =
30. 30.2 × 9 =
31. 31.7 × 9 =
32. 32.422 × 999 =
33. 33.1902 × 99 =
34. 34.4 × 9 =
35. 35.93 × 99 =
36. 36.2 × 9 =
37. 37.6 × 9 =
38. 38.7 × 9 =
39. 39.2 × 9 =
40. 40.884 × 999 =

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