Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 438 · 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. 1.26093 × 999 =
2. 2.68 × 99 =
3. 3.897 × 999 =
4. 4.8 × 9 =
5. 5.7 × 9 =
6. 6.975 × 999 =
7. 7.7 × 9 =
8. 8.81 × 99 =
9. 9.3 × 9 =
10. 10.6 × 9 =
11. 11.81 × 99 =
12. 12.175 × 9 =
13. 13.125 × 9 =
14. 14.1115 × 99 =
15. 15.22 × 99 =
16. 16.3 × 9 =
17. 17.765 × 99 =
18. 18.2 × 9 =
19. 19.19 × 99 =
20. 20.2 × 9 =
21. 21.241 × 9 =
22. 22.3 × 9 =
23. 23.93 × 99 =
24. 24.4 × 9 =
25. 25.8 × 9 =
26. 26.1521 × 99 =
27. 27.521 × 999 =
28. 28.235 × 999 =
29. 29.384 × 999 =
30. 30.7096 × 999 =
31. 31.202 × 999 =
32. 32.218 × 999 =
33. 33.3 × 9 =
34. 34.8 × 9 =
35. 35.85 × 99 =
36. 36.2841 × 99 =
37. 37.18 × 99 =
38. 38.23113 × 999 =
39. 39.759 × 99 =
40. 40.5 × 9 =

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