Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 528 · 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. 2.38 × 99 =
3. 3.2 × 9 =
4. 4.81 × 999 =
5. 5.68 × 99 =
6. 6.9 × 99 =
7. 7.59 × 99 =
8. 8.35 × 99 =
9. 9.716 × 99 =
10. 10.952 × 999 =
11. 11.3 × 9 =
12. 12.66 × 9 =
13. 13.29 × 999 =
14. 14.107 × 999 =
15. 15.866 × 999 =
16. 16.2 × 9 =
17. 17.45 × 99 =
18. 18.944 × 999 =
19. 19.8 × 9 =
20. 20.254 × 99 =
21. 21.23 × 99 =
22. 22.3 × 9 =
23. 23.5 × 9 =
24. 24.1952 × 99 =
25. 25.8 × 9 =
26. 26.8 × 9 =
27. 27.71 × 99 =
28. 28.2035 × 99 =
29. 29.43 × 99 =
30. 30.24646 × 999 =
31. 31.7 × 99 =
32. 32.2 × 9 =
33. 33.762 × 999 =
34. 34.7 × 9 =
35. 35.9 × 99 =
36. 36.51 × 99 =
37. 37.288 × 99 =
38. 38.6 × 9 =
39. 39.8 × 9 =
40. 40.837 × 99 =

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