Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 740 · 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. 1.2 × 999 =
2. 2.191 × 9 =
3. 3.12 × 99 =
4. 4.24 × 99 =
5. 5.3 × 9 =
6. 6.2 × 9 =
7. 7.3 × 9 =
8. 8.76 × 999 =
9. 9.4 × 9 =
10. 10.51 × 99 =
11. 11.22 × 99 =
12. 12.55 × 99 =
13. 13.23 × 99 =
14. 14.713 × 99 =
15. 15.632 × 999 =
16. 16.13 × 99 =
17. 17.42 × 9 =
18. 18.852 × 999 =
19. 19.43 × 99 =
20. 20.446 × 99 =
21. 21.6 × 9 =
22. 22.61 × 9 =
23. 23.1542 × 999 =
24. 24.2795 × 99 =
25. 25.3 × 9 =
26. 26.3 × 9 =
27. 27.51 × 99 =
28. 28.321 × 999 =
29. 29.85 × 99 =
30. 30.7 × 9 =
31. 31.96 × 99 =
32. 32.2 × 9 =
33. 33.202 × 9 =
34. 34.5 × 9 =
35. 35.35 × 99 =
36. 36.2501 × 99 =
37. 37.68 × 99 =
38. 38.65 × 99 =
39. 39.2 × 99 =
40. 40.611 × 999 =

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