Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 809 · 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. 1.93 × 99 =
2. 2.556 × 999 =
3. 3.256 × 9 =
4. 4.6 × 9 =
5. 5.3 × 9 =
6. 6.121 × 99 =
7. 7.8 × 9 =
8. 8.7 × 9 =
9. 9.35 × 99 =
10. 10.76 × 99 =
11. 11.35 × 99 =
12. 12.5 × 9 =
13. 13.12427 × 999 =
14. 14.3 × 9 =
15. 15.884 × 999 =
16. 16.4 × 9 =
17. 17.252 × 9 =
18. 18.4 × 99 =
19. 19.8 × 9 =
20. 20.31 × 99 =
21. 21.607 × 999 =
22. 22.262 × 9 =
23. 23.2 × 9 =
24. 24.26 × 99 =
25. 25.341 × 999 =
26. 26.8 × 9 =
27. 27.181 × 9 =
28. 28.191 × 9 =
29. 29.51 × 99 =
30. 30.434 × 999 =
31. 31.1078 × 99 =
32. 32.34 × 99 =
33. 33.22 × 99 =
34. 34.2 × 9 =
35. 35.5 × 9 =
36. 36.88 × 99 =
37. 37.67 × 99 =
38. 38.63 × 99 =
39. 39.363 × 999 =
40. 40.157 × 9 =

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