Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 483 · 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. 1.3 × 99 =
2. 2.2 × 9 =
3. 3.7 × 9 =
4. 4.797 × 999 =
5. 5.9161 × 999 =
6. 6.386 × 999 =
7. 7.4 × 9 =
8. 8.8 × 99 =
9. 9.424 × 999 =
10. 10.57 × 99 =
11. 11.2696 × 99 =
12. 12.4 × 9 =
13. 13.7 × 9 =
14. 14.41 × 99 =
15. 15.44 × 99 =
16. 16.536 × 999 =
17. 17.191 × 99 =
18. 18.9 × 99 =
19. 19.421 × 999 =
20. 20.6 × 9 =
21. 21.97 × 9 =
22. 22.2 × 9 =
23. 23.4 × 99 =
24. 24.1598 × 99 =
25. 25.65 × 99 =
26. 26.62 × 99 =
27. 27.31 × 99 =
28. 28.2536 × 99 =
29. 29.35 × 9 =
30. 30.5 × 9 =
31. 31.14305 × 999 =
32. 32.8 × 9 =
33. 33.853 × 999 =
34. 34.4 × 9 =
35. 35.561 × 99 =
36. 36.8 × 999 =
37. 37.67 × 9 =
38. 38.10711 × 999 =
39. 39.2493 × 99 =
40. 40.75 × 99 =

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