Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 995 · 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. 1.35 × 99 =
2. 2.13461 × 999 =
3. 3.355 × 99 =
4. 4.3702 × 999 =
5. 5.3 × 9 =
6. 6.402 × 999 =
7. 7.10517 × 999 =
8. 8.5 × 9 =
9. 9.65 × 99 =
10. 10.33 × 99 =
11. 11.36 × 99 =
12. 12.409 × 999 =
13. 13.174 × 99 =
14. 14.21 × 99 =
15. 15.155 × 99 =
16. 16.371 × 999 =
17. 17.234 × 9 =
18. 18.268 × 999 =
19. 19.6 × 9 =
20. 20.25811 × 999 =
21. 21.936 × 999 =
22. 22.28903 × 999 =
23. 23.648 × 99 =
24. 24.342 × 99 =
25. 25.638 × 999 =
26. 26.71 × 9 =
27. 27.5 × 9 =
28. 28.231 × 9 =
29. 29.421 × 99 =
30. 30.247 × 999 =
31. 31.689 × 999 =
32. 32.883 × 999 =
33. 33.2 × 9 =
34. 34.2888 × 99 =
35. 35.463 × 999 =
36. 36.68 × 99 =
37. 37.8 × 9 =
38. 38.276 × 999 =
39. 39.6 × 9 =
40. 40.18263 × 999 =

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