Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 969 · 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. 1.3 × 9 =
2. 2.2 × 9 =
3. 3.1251 × 99 =
4. 4.4 × 9 =
5. 5.24 × 99 =
6. 6.7 × 9 =
7. 7.2 × 9 =
8. 8.13858 × 999 =
9. 9.21597 × 999 =
10. 10.8 × 9 =
11. 11.179 × 9 =
12. 12.6551 × 999 =
13. 13.81 × 99 =
14. 14.67 × 99 =
15. 15.902 × 999 =
16. 16.217 × 9 =
17. 17.57 × 99 =
18. 18.189 × 99 =
19. 19.3 × 9 =
20. 20.46 × 99 =
21. 21.15522 × 999 =
22. 22.21 × 99 =
23. 23.83 × 99 =
24. 24.7 × 9 =
25. 25.11 × 99 =
26. 26.3 × 9 =
27. 27.158 × 9 =
28. 28.7 × 9 =
29. 29.1072 × 99 =
30. 30.555 × 999 =
31. 31.79 × 99 =
32. 32.598 × 999 =
33. 33.8 × 9 =
34. 34.18017 × 999 =
35. 35.32 × 99 =
36. 36.349 × 999 =
37. 37.1914 × 99 =
38. 38.133 × 9 =
39. 39.1014 × 99 =
40. 40.41 × 99 =

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