Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 723 · 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. 1.2252 × 999 =
2. 2.5 × 9 =
3. 3.86 × 9 =
4. 4.54 × 9 =
5. 5.351 × 999 =
6. 6.4 × 9 =
7. 7.4 × 9 =
8. 8.44 × 99 =
9. 9.3 × 9 =
10. 10.2758 × 99 =
11. 11.27 × 99 =
12. 12.96 × 99 =
13. 13.6 × 9 =
14. 14.7 × 9 =
15. 15.217 × 99 =
16. 16.4 × 9 =
17. 17.431 × 999 =
18. 18.28 × 999 =
19. 19.76 × 99 =
20. 20.5 × 9 =
21. 21.2533 × 99 =
22. 22.6 × 9 =
23. 23.21455 × 999 =
24. 24.6 × 9 =
25. 25.12 × 9 =
26. 26.461 × 999 =
27. 27.39 × 99 =
28. 28.64 × 999 =
29. 29.75 × 999 =
30. 30.3 × 9 =
31. 31.579 × 99 =
32. 32.193 × 999 =
33. 33.858 × 999 =
34. 34.19 × 999 =
35. 35.23524 × 999 =
36. 36.4 × 9 =
37. 37.4 × 9 =
38. 38.923 × 999 =
39. 39.8 × 9 =
40. 40.967 × 999 =

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