Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 595 · 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. 1.467 × 999 =
2. 2.3 × 9 =
3. 3.1756 × 99 =
4. 4.49 × 99 =
5. 5.3 × 99 =
6. 6.15724 × 999 =
7. 7.358 × 999 =
8. 8.4 × 9 =
9. 9.101 × 999 =
10. 10.1042 × 99 =
11. 11.2801 × 99 =
12. 12.59 × 99 =
13. 13.139 × 999 =
14. 14.385 × 999 =
15. 15.5 × 9 =
16. 16.94 × 99 =
17. 17.87 × 99 =
18. 18.869 × 999 =
19. 19.7 × 9 =
20. 20.479 × 999 =
21. 21.1048 × 99 =
22. 22.328 × 99 =
23. 23.88 × 99 =
24. 24.68 × 9 =
25. 25.11 × 99 =
26. 26.6 × 9 =
27. 27.3021 × 999 =
28. 28.83 × 9 =
29. 29.16 × 99 =
30. 30.7 × 9 =
31. 31.16 × 99 =
32. 32.23 × 99 =
33. 33.968 × 999 =
34. 34.703 × 999 =
35. 35.2 × 9 =
36. 36.818 × 999 =
37. 37.703 × 999 =
38. 38.8 × 9 =
39. 39.7 × 99 =
40. 40.899 × 999 =

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