Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 405 · 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 × 999 =
2. 2.2 × 9 =
3. 3.88 × 99 =
4. 4.64 × 9 =
5. 5.856 × 999 =
6. 6.171 × 9 =
7. 7.17 × 99 =
8. 8.27 × 999 =
9. 9.613 × 99 =
10. 10.54 × 99 =
11. 11.856 × 999 =
12. 12.11 × 99 =
13. 13.61 × 99 =
14. 14.372 × 999 =
15. 15.2623 × 99 =
16. 16.2071 × 99 =
17. 17.251 × 9 =
18. 18.24 × 99 =
19. 19.22 × 9 =
20. 20.4 × 9 =
21. 21.1095 × 99 =
22. 22.26 × 99 =
23. 23.27374 × 999 =
24. 24.8 × 9 =
25. 25.8 × 9 =
26. 26.5 × 99 =
27. 27.53 × 99 =
28. 28.89 × 9 =
29. 29.34 × 99 =
30. 30.601 × 99 =
31. 31.86 × 99 =
32. 32.35 × 99 =
33. 33.719 × 99 =
34. 34.153 × 9 =
35. 35.28 × 99 =
36. 36.2272 × 99 =
37. 37.13251 × 999 =
38. 38.161 × 9 =
39. 39.829 × 99 =
40. 40.58 × 99 =

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