Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 269 · 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. 1.6 × 9 =
2. 2.2 × 9 =
3. 3.24501 × 999 =
4. 4.29326 × 999 =
5. 5.13926 × 999 =
6. 6.77 × 99 =
7. 7.73 × 99 =
8. 8.6 × 9 =
9. 9.53 × 99 =
10. 10.38 × 99 =
11. 11.828 × 999 =
12. 12.31 × 99 =
13. 13.26554 × 999 =
14. 14.292 × 99 =
15. 15.179 × 9 =
16. 16.21 × 99 =
17. 17.167 × 999 =
18. 18.71 × 99 =
19. 19.237 × 9 =
20. 20.1797 × 999 =
21. 21.7 × 9 =
22. 22.31 × 99 =
23. 23.54 × 9 =
24. 24.2947 × 99 =
25. 25.44 × 99 =
26. 26.4852 × 999 =
27. 27.629 × 999 =
28. 28.42 × 9 =
29. 29.4 × 99 =
30. 30.79 × 9 =
31. 31.6 × 9 =
32. 32.119 × 999 =
33. 33.1416 × 99 =
34. 34.2291 × 99 =
35. 35.73 × 99 =
36. 36.3 × 9 =
37. 37.254 × 999 =
38. 38.21 × 99 =
39. 39.2 × 9 =
40. 40.8 × 9 =

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