Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 309 · 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. 1.2 × 9 =
2. 2.1448 × 99 =
3. 3.995 × 999 =
4. 4.62 × 9 =
5. 5.2 × 9 =
6. 6.771 × 999 =
7. 7.23 × 99 =
8. 8.211 × 999 =
9. 9.5 × 9 =
10. 10.259 × 9 =
11. 11.1714 × 99 =
12. 12.48 × 99 =
13. 13.5 × 9 =
14. 14.463 × 99 =
15. 15.81 × 99 =
16. 16.2753 × 99 =
17. 17.2956 × 99 =
18. 18.29 × 9 =
19. 19.148 × 999 =
20. 20.49 × 9 =
21. 21.291 × 999 =
22. 22.16141 × 999 =
23. 23.6 × 9 =
24. 24.62 × 99 =
25. 25.579 × 999 =
26. 26.47 × 99 =
27. 27.2 × 9 =
28. 28.1591 × 99 =
29. 29.285 × 999 =
30. 30.5 × 9 =
31. 31.3 × 99 =
32. 32.856 × 99 =
33. 33.79 × 99 =
34. 34.13 × 99 =
35. 35.298 × 999 =
36. 36.3 × 9 =
37. 37.7 × 9 =
38. 38.547 × 999 =
39. 39.1492 × 99 =
40. 40.443 × 999 =

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