Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 756 · 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. 1.4 × 9 =
2. 2.458 × 999 =
3. 3.65 × 99 =
4. 4.353 × 999 =
5. 5.214 × 9 =
6. 6.32 × 99 =
7. 7.79 × 99 =
8. 8.8 × 99 =
9. 9.136 × 999 =
10. 10.2897 × 99 =
11. 11.931 × 999 =
12. 12.145 × 99 =
13. 13.6 × 9 =
14. 14.72 × 99 =
15. 15.5 × 9 =
16. 16.3 × 9 =
17. 17.24367 × 999 =
18. 18.26 × 99 =
19. 19.865 × 99 =
20. 20.88 × 99 =
21. 21.7 × 9 =
22. 22.65 × 99 =
23. 23.3 × 9 =
24. 24.3 × 9 =
25. 25.827 × 99 =
26. 26.2 × 9 =
27. 27.4 × 9 =
28. 28.79 × 99 =
29. 29.256 × 9 =
30. 30.11 × 99 =
31. 31.55 × 9 =
32. 32.5 × 9 =
33. 33.496 × 999 =
34. 34.626 × 999 =
35. 35.14 × 999 =
36. 36.1198 × 99 =
37. 37.254 × 9 =
38. 38.2 × 9 =
39. 39.5 × 9 =
40. 40.27 × 99 =

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