Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 256 · 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. 2.3 × 9 =
3. 3.27204 × 999 =
4. 4.3 × 9 =
5. 5.622 × 999 =
6. 6.2 × 9 =
7. 7.113 × 9 =
8. 8.653 × 999 =
9. 9.3 × 9 =
10. 10.8 × 999 =
11. 11.22808 × 999 =
12. 12.26 × 9 =
13. 13.7 × 9 =
14. 14.91 × 99 =
15. 15.744 × 99 =
16. 16.216 × 999 =
17. 17.26 × 9 =
18. 18.2412 × 99 =
19. 19.2 × 9 =
20. 20.7 × 99 =
21. 21.154 × 99 =
22. 22.73 × 99 =
23. 23.3 × 9 =
24. 24.21 × 9 =
25. 25.75 × 99 =
26. 26.6 × 9 =
27. 27.108 × 9 =
28. 28.61 × 99 =
29. 29.948 × 999 =
30. 30.8095 × 999 =
31. 31.2302 × 999 =
32. 32.34 × 99 =
33. 33.1285 × 99 =
34. 34.71 × 999 =
35. 35.8 × 9 =
36. 36.3 × 9 =
37. 37.85 × 99 =
38. 38.2538 × 99 =
39. 39.5 × 99 =
40. 40.4 × 9 =

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