Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 211 · 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. 1.12609 × 999 =
2. 2.34 × 99 =
3. 3.3 × 9 =
4. 4.958 × 999 =
5. 5.6442 × 999 =
6. 6.2 × 9 =
7. 7.6664 × 999 =
8. 8.21 × 99 =
9. 9.2 × 9 =
10. 10.45 × 9 =
11. 11.7202 × 999 =
12. 12.19451 × 999 =
13. 13.83 × 99 =
14. 14.7 × 9 =
15. 15.3 × 9 =
16. 16.301 × 99 =
17. 17.97 × 9 =
18. 18.233 × 9 =
19. 19.69 × 99 =
20. 20.48 × 99 =
21. 21.12 × 99 =
22. 22.8 × 9 =
23. 23.8 × 9 =
24. 24.61 × 99 =
25. 25.185 × 999 =
26. 26.4 × 9 =
27. 27.31 × 99 =
28. 28.5 × 9 =
29. 29.1641 × 99 =
30. 30.87 × 99 =
31. 31.51 × 99 =
32. 32.727 × 999 =
33. 33.342 × 999 =
34. 34.5 × 9 =
35. 35.6 × 9 =
36. 36.3 × 9 =
37. 37.5 × 9 =
38. 38.4 × 9 =
39. 39.496 × 999 =
40. 40.6 × 9 =

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