Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 962 · 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. 1.44 × 99 =
2. 2.8 × 9 =
3. 3.815 × 999 =
4. 4.286 × 999 =
5. 5.15216 × 999 =
6. 6.7 × 9 =
7. 7.3 × 9 =
8. 8.6741 × 999 =
9. 9.431 × 999 =
10. 10.339 × 999 =
11. 11.7 × 9 =
12. 12.6 × 9 =
13. 13.401 × 999 =
14. 14.8 × 9 =
15. 15.11 × 99 =
16. 16.6 × 9 =
17. 17.32 × 99 =
18. 18.919 × 999 =
19. 19.281 × 999 =
20. 20.171 × 999 =
21. 21.77 × 99 =
22. 22.48 × 99 =
23. 23.88 × 99 =
24. 24.64 × 99 =
25. 25.372 × 99 =
26. 26.1834 × 99 =
27. 27.31 × 99 =
28. 28.28365 × 999 =
29. 29.498 × 999 =
30. 30.907 × 999 =
31. 31.73 × 99 =
32. 32.8 × 9 =
33. 33.91 × 99 =
34. 34.941 × 999 =
35. 35.12 × 99 =
36. 36.99 × 9 =
37. 37.6 × 99 =
38. 38.71 × 99 =
39. 39.5 × 9 =
40. 40.8 × 9 =

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