Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 966 · 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. 1.84 × 99 =
2. 2.7 × 9 =
3. 3.6 × 9 =
4. 4.4 × 9 =
5. 5.2 × 9 =
6. 6.14211 × 999 =
7. 7.1158 × 99 =
8. 8.218 × 9 =
9. 9.35 × 99 =
10. 10.49 × 99 =
11. 11.14 × 9 =
12. 12.87 × 99 =
13. 13.58 × 99 =
14. 14.18872 × 999 =
15. 15.588 × 999 =
16. 16.15 × 99 =
17. 17.63 × 99 =
18. 18.365 × 999 =
19. 19.79 × 99 =
20. 20.136 × 9 =
21. 21.244 × 999 =
22. 22.51 × 9 =
23. 23.33 × 99 =
24. 24.2826 × 99 =
25. 25.3 × 9 =
26. 26.5 × 9 =
27. 27.9844 × 999 =
28. 28.3 × 9 =
29. 29.2 × 9 =
30. 30.2 × 9 =
31. 31.819 × 999 =
32. 32.477 × 999 =
33. 33.7 × 9 =
34. 34.413 × 999 =
35. 35.7 × 9 =
36. 36.7 × 9 =
37. 37.85 × 99 =
38. 38.6 × 9 =
39. 39.855 × 999 =
40. 40.2621 × 99 =

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