Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 701 · 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 × 9 =
2. 2.54 × 99 =
3. 3.1714 × 999 =
4. 4.75 × 99 =
5. 5.71 × 99 =
6. 6.53 × 99 =
7. 7.95 × 99 =
8. 8.635 × 999 =
9. 9.33 × 99 =
10. 10.66 × 999 =
11. 11.867 × 999 =
12. 12.14236 × 999 =
13. 13.169 × 9 =
14. 14.3 × 9 =
15. 15.51 × 99 =
16. 16.11848 × 999 =
17. 17.21 × 99 =
18. 18.2359 × 99 =
19. 19.2227 × 99 =
20. 20.237 × 999 =
21. 21.18 × 9 =
22. 22.6 × 99 =
23. 23.4623 × 999 =
24. 24.119 × 9 =
25. 25.476 × 999 =
26. 26.372 × 999 =
27. 27.57 × 99 =
28. 28.43 × 99 =
29. 29.65 × 99 =
30. 30.316 × 999 =
31. 31.161 × 9 =
32. 32.3 × 99 =
33. 33.8 × 9 =
34. 34.85 × 99 =
35. 35.2 × 9 =
36. 36.2 × 99 =
37. 37.7266 × 999 =
38. 38.205 × 9 =
39. 39.39 × 99 =
40. 40.5 × 9 =

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