Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 517 · 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. 1.27148 × 999 =
2. 2.4 × 9 =
3. 3.1254 × 99 =
4. 4.76 × 99 =
5. 5.35 × 99 =
6. 6.19 × 9 =
7. 7.2775 × 999 =
8. 8.351 × 999 =
9. 9.2545 × 99 =
10. 10.691 × 999 =
11. 11.574 × 999 =
12. 12.9504 × 999 =
13. 13.5 × 9 =
14. 14.997 × 99 =
15. 15.551 × 999 =
16. 16.193 × 999 =
17. 17.7 × 9 =
18. 18.3 × 9 =
19. 19.52 × 999 =
20. 20.529 × 999 =
21. 21.62 × 99 =
22. 22.441 × 999 =
23. 23.202 × 999 =
24. 24.2 × 99 =
25. 25.475 × 999 =
26. 26.882 × 999 =
27. 27.1651 × 99 =
28. 28.828 × 999 =
29. 29.66 × 99 =
30. 30.26226 × 999 =
31. 31.592 × 99 =
32. 32.4 × 9 =
33. 33.5 × 9 =
34. 34.901 × 999 =
35. 35.198 × 9 =
36. 36.171 × 9 =
37. 37.2 × 9 =
38. 38.595 × 999 =
39. 39.5 × 9 =
40. 40.43 × 99 =

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