Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 108 · 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. 1.2634 × 99 =
2. 2.404 × 999 =
3. 3.19785 × 999 =
4. 4.2 × 9 =
5. 5.99 × 9 =
6. 6.842 × 999 =
7. 7.6 × 9 =
8. 8.58 × 99 =
9. 9.3 × 9 =
10. 10.15298 × 999 =
11. 11.93 × 99 =
12. 12.2 × 9 =
13. 13.305 × 999 =
14. 14.15 × 99 =
15. 15.711 × 99 =
16. 16.3 × 9 =
17. 17.31 × 99 =
18. 18.635 × 999 =
19. 19.77 × 99 =
20. 20.4 × 9 =
21. 21.724 × 999 =
22. 22.33 × 99 =
23. 23.901 × 999 =
24. 24.33 × 99 =
25. 25.7 × 9 =
26. 26.52 × 99 =
27. 27.46 × 99 =
28. 28.20576 × 999 =
29. 29.1959 × 99 =
30. 30.4 × 9 =
31. 31.10278 × 999 =
32. 32.588 × 999 =
33. 33.735 × 999 =
34. 34.69 × 9 =
35. 35.92 × 99 =
36. 36.31 × 99 =
37. 37.85 × 99 =
38. 38.8 × 9 =
39. 39.27551 × 999 =
40. 40.3 × 9 =

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