Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 292 · 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. 1.8 × 9 =
2. 2.3 × 9 =
3. 3.185 × 999 =
4. 4.7 × 9 =
5. 5.714 × 999 =
6. 6.13 × 99 =
7. 7.318 × 99 =
8. 8.977 × 999 =
9. 9.21 × 99 =
10. 10.62 × 99 =
11. 11.889 × 999 =
12. 12.82 × 999 =
13. 13.492 × 999 =
14. 14.626 × 999 =
15. 15.79 × 99 =
16. 16.25354 × 999 =
17. 17.8 × 9 =
18. 18.16 × 99 =
19. 19.309 × 99 =
20. 20.2908 × 999 =
21. 21.333 × 999 =
22. 22.7 × 9 =
23. 23.261 × 9 =
24. 24.5 × 9 =
25. 25.2 × 9 =
26. 26.25318 × 999 =
27. 27.3 × 9 =
28. 28.856 × 999 =
29. 29.9197 × 999 =
30. 30.76 × 99 =
31. 31.11 × 99 =
32. 32.117 × 999 =
33. 33.19651 × 999 =
34. 34.88 × 99 =
35. 35.571 × 999 =
36. 36.26263 × 999 =
37. 37.24546 × 999 =
38. 38.8 × 9 =
39. 39.803 × 999 =
40. 40.52 × 99 =

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