Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 950 · 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. 1.79 × 999 =
2. 2.8 × 9 =
3. 3.2681 × 99 =
4. 4.28958 × 999 =
5. 5.962 × 999 =
6. 6.491 × 999 =
7. 7.7 × 9 =
8. 8.724 × 999 =
9. 9.2448 × 99 =
10. 10.7 × 9 =
11. 11.31 × 99 =
12. 12.2 × 9 =
13. 13.2 × 9 =
14. 14.246 × 9 =
15. 15.2 × 9 =
16. 16.2784 × 99 =
17. 17.87 × 99 =
18. 18.269 × 999 =
19. 19.26 × 99 =
20. 20.3 × 9 =
21. 21.7 × 9 =
22. 22.84 × 99 =
23. 23.793 × 999 =
24. 24.554 × 999 =
25. 25.2114 × 99 =
26. 26.441 × 999 =
27. 27.4 × 9 =
28. 28.1244 × 999 =
29. 29.13 × 99 =
30. 30.85 × 99 =
31. 31.2 × 9 =
32. 32.828 × 999 =
33. 33.26841 × 999 =
34. 34.26 × 99 =
35. 35.25062 × 999 =
36. 36.2 × 9 =
37. 37.856 × 999 =
38. 38.25 × 99 =
39. 39.5 × 9 =
40. 40.3 × 9 =

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