Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 259 · 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. 1.241 × 999 =
2. 2.996 × 999 =
3. 3.53 × 99 =
4. 4.2603 × 99 =
5. 5.687 × 999 =
6. 6.4 × 9 =
7. 7.8 × 9 =
8. 8.21 × 99 =
9. 9.68 × 99 =
10. 10.7 × 9 =
11. 11.39 × 99 =
12. 12.3 × 9 =
13. 13.75 × 99 =
14. 14.6 × 9 =
15. 15.542 × 999 =
16. 16.2 × 9 =
17. 17.477 × 999 =
18. 18.686 × 999 =
19. 19.332 × 999 =
20. 20.235 × 999 =
21. 21.9 × 99 =
22. 22.146 × 9 =
23. 23.85 × 99 =
24. 24.6962 × 999 =
25. 25.2 × 99 =
26. 26.98 × 99 =
27. 27.19484 × 999 =
28. 28.94 × 99 =
29. 29.8 × 9 =
30. 30.79 × 9 =
31. 31.34 × 99 =
32. 32.64 × 99 =
33. 33.3 × 9 =
34. 34.1296 × 99 =
35. 35.8 × 9 =
36. 36.966 × 999 =
37. 37.1083 × 99 =
38. 38.951 × 999 =
39. 39.32 × 99 =
40. 40.243 × 999 =

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