Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 217 · 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. 1.563 × 999 =
2. 2.94 × 99 =
3. 3.937 × 99 =
4. 4.41 × 9 =
5. 5.13478 × 999 =
6. 6.2 × 9 =
7. 7.14918 × 999 =
8. 8.525 × 999 =
9. 9.92 × 99 =
10. 10.22 × 99 =
11. 11.29322 × 999 =
12. 12.109 × 999 =
13. 13.231 × 999 =
14. 14.26277 × 999 =
15. 15.41 × 99 =
16. 16.549 × 999 =
17. 17.8 × 9 =
18. 18.756 × 999 =
19. 19.1573 × 99 =
20. 20.98 × 9 =
21. 21.1168 × 99 =
22. 22.641 × 99 =
23. 23.2 × 9 =
24. 24.17645 × 999 =
25. 25.5 × 9 =
26. 26.31 × 99 =
27. 27.383 × 999 =
28. 28.32 × 9 =
29. 29.732 × 999 =
30. 30.7977 × 999 =
31. 31.34 × 99 =
32. 32.106 × 999 =
33. 33.73 × 99 =
34. 34.1056 × 99 =
35. 35.8 × 9 =
36. 36.3 × 9 =
37. 37.22703 × 999 =
38. 38.13203 × 999 =
39. 39.89 × 99 =
40. 40.695 × 999 =

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