Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 882 · 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. 1.5 × 9 =
2. 2.11 × 99 =
3. 3.1497 × 99 =
4. 4.205 × 9 =
5. 5.5 × 9 =
6. 6.654 × 999 =
7. 7.51 × 99 =
8. 8.783 × 999 =
9. 9.13781 × 999 =
10. 10.31 × 99 =
11. 11.2 × 9 =
12. 12.868 × 999 =
13. 13.94 × 99 =
14. 14.193 × 999 =
15. 15.85 × 99 =
16. 16.6 × 99 =
17. 17.29711 × 999 =
18. 18.6 × 9 =
19. 19.2549 × 99 =
20. 20.5 × 99 =
21. 21.49 × 99 =
22. 22.48 × 999 =
23. 23.5047 × 999 =
24. 24.7079 × 999 =
25. 25.27 × 99 =
26. 26.2464 × 999 =
27. 27.405 × 99 =
28. 28.27 × 99 =
29. 29.2037 × 99 =
30. 30.656 × 999 =
31. 31.8 × 9 =
32. 32.27532 × 999 =
33. 33.2099 × 99 =
34. 34.25 × 999 =
35. 35.387 × 999 =
36. 36.21 × 99 =
37. 37.388 × 99 =
38. 38.725 × 99 =
39. 39.84 × 99 =
40. 40.956 × 999 =

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