Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 273 · 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. 1.14 × 999 =
2. 2.797 × 999 =
3. 3.227 × 999 =
4. 4.42 × 99 =
5. 5.21037 × 999 =
6. 6.653 × 99 =
7. 7.8 × 9 =
8. 8.36 × 99 =
9. 9.177 × 9 =
10. 10.495 × 99 =
11. 11.136 × 9 =
12. 12.68 × 99 =
13. 13.1351 × 999 =
14. 14.34 × 999 =
15. 15.7155 × 999 =
16. 16.4 × 9 =
17. 17.2 × 9 =
18. 18.579 × 999 =
19. 19.722 × 999 =
20. 20.8 × 9 =
21. 21.22513 × 999 =
22. 22.114 × 9 =
23. 23.1566 × 99 =
24. 24.6 × 9 =
25. 25.674 × 999 =
26. 26.6 × 9 =
27. 27.2282 × 99 =
28. 28.48 × 99 =
29. 29.87 × 99 =
30. 30.18 × 99 =
31. 31.7 × 9 =
32. 32.91 × 99 =
33. 33.8 × 9 =
34. 34.33 × 99 =
35. 35.14221 × 999 =
36. 36.919 × 999 =
37. 37.7 × 9 =
38. 38.2742 × 99 =
39. 39.24825 × 999 =
40. 40.602 × 999 =

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