Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 135 · 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. 2.2126 × 99 =
3. 3.134 × 9 =
4. 4.27 × 99 =
5. 5.59 × 99 =
6. 6.76 × 99 =
7. 7.8 × 9 =
8. 8.405 × 999 =
9. 9.42 × 99 =
10. 10.31 × 9 =
11. 11.23184 × 999 =
12. 12.88 × 99 =
13. 13.75 × 9 =
14. 14.2368 × 99 =
15. 15.4 × 9 =
16. 16.238 × 9 =
17. 17.5 × 99 =
18. 18.8 × 9 =
19. 19.2051 × 99 =
20. 20.3 × 9 =
21. 21.2 × 9 =
22. 22.8 × 9 =
23. 23.6 × 9 =
24. 24.77 × 99 =
25. 25.11 × 99 =
26. 26.4 × 9 =
27. 27.561 × 999 =
28. 28.7 × 99 =
29. 29.7 × 9 =
30. 30.96 × 99 =
31. 31.51 × 99 =
32. 32.8 × 9 =
33. 33.24282 × 999 =
34. 34.165 × 9 =
35. 35.61 × 99 =
36. 36.56 × 99 =
37. 37.84 × 99 =
38. 38.2214 × 99 =
39. 39.294 × 999 =
40. 40.157 × 999 =

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