Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 295 · 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. 1.26 × 99 =
2. 2.584 × 999 =
3. 3.7 × 9 =
4. 4.7 × 9 =
5. 5.69 × 99 =
6. 6.263 × 9 =
7. 7.2 × 9 =
8. 8.6 × 9 =
9. 9.21 × 99 =
10. 10.6 × 9 =
11. 11.8 × 99 =
12. 12.3 × 99 =
13. 13.729 × 999 =
14. 14.23943 × 999 =
15. 15.235 × 9 =
16. 16.7 × 9 =
17. 17.63 × 9 =
18. 18.10623 × 999 =
19. 19.4 × 9 =
20. 20.193 × 9 =
21. 21.58 × 99 =
22. 22.72 × 99 =
23. 23.7 × 9 =
24. 24.6 × 99 =
25. 25.7 × 9 =
26. 26.41 × 99 =
27. 27.1755 × 99 =
28. 28.2487 × 99 =
29. 29.2 × 9 =
30. 30.21 × 99 =
31. 31.191 × 9 =
32. 32.68 × 99 =
33. 33.501 × 999 =
34. 34.271 × 999 =
35. 35.369 × 999 =
36. 36.5643 × 999 =
37. 37.59 × 999 =
38. 38.4 × 9 =
39. 39.1837 × 99 =
40. 40.564 × 99 =

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