Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 526 · 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. 1.5758 × 999 =
2. 2.5 × 9 =
3. 3.29 × 99 =
4. 4.6 × 9 =
5. 5.94 × 99 =
6. 6.15272 × 999 =
7. 7.3237 × 999 =
8. 8.3 × 9 =
9. 9.6 × 9 =
10. 10.602 × 999 =
11. 11.7491 × 999 =
12. 12.302 × 999 =
13. 13.67 × 99 =
14. 14.39 × 99 =
15. 15.3 × 9 =
16. 16.497 × 999 =
17. 17.209 × 9 =
18. 18.8 × 9 =
19. 19.2206 × 99 =
20. 20.281 × 999 =
21. 21.596 × 999 =
22. 22.792 × 999 =
23. 23.571 × 99 =
24. 24.9376 × 999 =
25. 25.704 × 99 =
26. 26.62 × 9 =
27. 27.884 × 999 =
28. 28.99 × 999 =
29. 29.321 × 999 =
30. 30.119 × 999 =
31. 31.20919 × 999 =
32. 32.954 × 99 =
33. 33.7 × 9 =
34. 34.51 × 99 =
35. 35.88 × 99 =
36. 36.685 × 999 =
37. 37.641 × 999 =
38. 38.711 × 999 =
39. 39.21 × 99 =
40. 40.5 × 9 =

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