Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 470 · 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. 1.583 × 999 =
2. 2.411 × 999 =
3. 3.12026 × 999 =
4. 4.47 × 99 =
5. 5.2425 × 99 =
6. 6.3 × 9 =
7. 7.26737 × 999 =
8. 8.20691 × 999 =
9. 9.4 × 9 =
10. 10.48 × 99 =
11. 11.1484 × 99 =
12. 12.9011 × 999 =
13. 13.156 × 999 =
14. 14.39 × 99 =
15. 15.2 × 9 =
16. 16.3 × 9 =
17. 17.2762 × 999 =
18. 18.5 × 9 =
19. 19.488 × 99 =
20. 20.272 × 999 =
21. 21.4 × 9 =
22. 22.3 × 9 =
23. 23.71 × 99 =
24. 24.5 × 9 =
25. 25.32 × 99 =
26. 26.2 × 9 =
27. 27.2 × 9 =
28. 28.6 × 9 =
29. 29.872 × 999 =
30. 30.5 × 9 =
31. 31.46 × 99 =
32. 32.801 × 999 =
33. 33.27251 × 999 =
34. 34.747 × 99 =
35. 35.1398 × 99 =
36. 36.55 × 99 =
37. 37.245 × 9 =
38. 38.33 × 99 =
39. 39.162 × 9 =
40. 40.6 × 9 =

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