Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 261 · 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. 1.58 × 9 =
2. 2.6 × 9 =
3. 3.83 × 99 =
4. 4.7 × 9 =
5. 5.261 × 9 =
6. 6.511 × 99 =
7. 7.53 × 99 =
8. 8.111 × 9 =
9. 9.11 × 99 =
10. 10.261 × 999 =
11. 11.21 × 99 =
12. 12.1211 × 99 =
13. 13.2 × 9 =
14. 14.922 × 999 =
15. 15.3 × 9 =
16. 16.783 × 999 =
17. 17.39 × 99 =
18. 18.838 × 999 =
19. 19.363 × 999 =
20. 20.73 × 99 =
21. 21.3 × 9 =
22. 22.41 × 9 =
23. 23.85 × 99 =
24. 24.4 × 9 =
25. 25.149 × 9 =
26. 26.101 × 9 =
27. 27.88 × 99 =
28. 28.101 × 9 =
29. 29.2396 × 99 =
30. 30.2555 × 999 =
31. 31.47 × 99 =
32. 32.67 × 99 =
33. 33.86 × 99 =
34. 34.27579 × 999 =
35. 35.225 × 999 =
36. 36.94 × 99 =
37. 37.1195 × 99 =
38. 38.51 × 99 =
39. 39.263 × 99 =
40. 40.2 × 9 =

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