Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 94 · 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. 1.9947 × 999 =
2. 2.49 × 999 =
3. 3.125 × 9 =
4. 4.1194 × 99 =
5. 5.1743 × 99 =
6. 6.523 × 999 =
7. 7.25637 × 999 =
8. 8.46 × 9 =
9. 9.4 × 9 =
10. 10.221 × 999 =
11. 11.221 × 999 =
12. 12.43 × 99 =
13. 13.925 × 999 =
14. 14.68 × 9 =
15. 15.7 × 9 =
16. 16.6 × 9 =
17. 17.2594 × 99 =
18. 18.58 × 99 =
19. 19.488 × 999 =
20. 20.646 × 999 =
21. 21.3976 × 999 =
22. 22.96 × 99 =
23. 23.69 × 99 =
24. 24.7 × 9 =
25. 25.613 × 999 =
26. 26.781 × 99 =
27. 27.29 × 99 =
28. 28.32 × 99 =
29. 29.35 × 99 =
30. 30.493 × 99 =
31. 31.196 × 999 =
32. 32.17904 × 999 =
33. 33.7 × 9 =
34. 34.5 × 9 =
35. 35.57 × 99 =
36. 36.262 × 9 =
37. 37.104 × 999 =
38. 38.35 × 9 =
39. 39.9041 × 999 =
40. 40.16051 × 999 =

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