Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 444 · 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. 1.161 × 9 =
2. 2.3 × 9 =
3. 3.14206 × 999 =
4. 4.46 × 999 =
5. 5.3 × 9 =
6. 6.8 × 9 =
7. 7.2 × 9 =
8. 8.92 × 99 =
9. 9.1548 × 99 =
10. 10.8 × 9 =
11. 11.3 × 9 =
12. 12.213 × 9 =
13. 13.3 × 9 =
14. 14.511 × 99 =
15. 15.2 × 9 =
16. 16.4 × 9 =
17. 17.495 × 999 =
18. 18.31 × 99 =
19. 19.77 × 9 =
20. 20.78 × 99 =
21. 21.6 × 99 =
22. 22.16 × 99 =
23. 23.4 × 99 =
24. 24.21 × 99 =
25. 25.344 × 99 =
26. 26.27 × 999 =
27. 27.5 × 9 =
28. 28.38 × 99 =
29. 29.61 × 99 =
30. 30.2047 × 999 =
31. 31.35 × 99 =
32. 32.2514 × 99 =
33. 33.85 × 99 =
34. 34.825 × 999 =
35. 35.927 × 999 =
36. 36.81 × 99 =
37. 37.45 × 99 =
38. 38.31 × 99 =
39. 39.3 × 9 =
40. 40.143 × 9 =

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