Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 956 · 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. 1.4 × 99 =
2. 2.131 × 999 =
3. 3.4911 × 999 =
4. 4.3 × 9 =
5. 5.37 × 99 =
6. 6.2438 × 99 =
7. 7.6 × 9 =
8. 8.24 × 99 =
9. 9.198 × 999 =
10. 10.27136 × 999 =
11. 11.3 × 99 =
12. 12.3 × 9 =
13. 13.8 × 9 =
14. 14.245 × 9 =
15. 15.702 × 999 =
16. 16.4 × 9 =
17. 17.2467 × 99 =
18. 18.1413 × 99 =
19. 19.31 × 99 =
20. 20.922 × 999 =
21. 21.654 × 999 =
22. 22.2 × 9 =
23. 23.537 × 999 =
24. 24.74 × 99 =
25. 25.15 × 99 =
26. 26.11 × 99 =
27. 27.26912 × 999 =
28. 28.351 × 99 =
29. 29.2668 × 99 =
30. 30.483 × 999 =
31. 31.92 × 99 =
32. 32.4 × 9 =
33. 33.549 × 99 =
34. 34.29 × 99 =
35. 35.14 × 99 =
36. 36.8 × 9 =
37. 37.183 × 999 =
38. 38.6 × 9 =
39. 39.256 × 9 =
40. 40.24 × 99 =

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