Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 964 · 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. 1.76 × 99 =
2. 2.4331 × 999 =
3. 3.126 × 999 =
4. 4.92 × 99 =
5. 5.5 × 9 =
6. 6.2216 × 99 =
7. 7.82 × 99 =
8. 8.25 × 99 =
9. 9.2759 × 99 =
10. 10.5 × 9 =
11. 11.445 × 999 =
12. 12.76 × 99 =
13. 13.7 × 9 =
14. 14.236 × 999 =
15. 15.2 × 9 =
16. 16.211 × 9 =
17. 17.2 × 9 =
18. 18.12 × 99 =
19. 19.94 × 99 =
20. 20.294 × 999 =
21. 21.443 × 99 =
22. 22.5 × 9 =
23. 23.4 × 9 =
24. 24.86 × 99 =
25. 25.97 × 99 =
26. 26.842 × 99 =
27. 27.5 × 9 =
28. 28.1038 × 999 =
29. 29.371 × 999 =
30. 30.4 × 9 =
31. 31.33 × 99 =
32. 32.1559 × 99 =
33. 33.78 × 99 =
34. 34.2686 × 99 =
35. 35.848 × 999 =
36. 36.4 × 9 =
37. 37.96 × 999 =
38. 38.4 × 9 =
39. 39.91 × 99 =
40. 40.25 × 99 =

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