Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 945 · 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. 1.8 × 9 =
2. 2.547 × 999 =
3. 3.19 × 99 =
4. 4.207 × 9 =
5. 5.44 × 99 =
6. 6.93 × 999 =
7. 7.97 × 9 =
8. 8.271 × 99 =
9. 9.24 × 99 =
10. 10.2657 × 99 =
11. 11.1245 × 99 =
12. 12.3 × 9 =
13. 13.892 × 999 =
14. 14.88 × 99 =
15. 15.4 × 9 =
16. 16.661 × 999 =
17. 17.16349 × 999 =
18. 18.3 × 9 =
19. 19.461 × 999 =
20. 20.8 × 9 =
21. 21.25 × 99 =
22. 22.59 × 99 =
23. 23.61 × 99 =
24. 24.8 × 9 =
25. 25.94 × 99 =
26. 26.7 × 9 =
27. 27.8 × 9 =
28. 28.304 × 999 =
29. 29.97 × 99 =
30. 30.1697 × 999 =
31. 31.3 × 9 =
32. 32.112 × 9 =
33. 33.702 × 999 =
34. 34.93 × 9 =
35. 35.8601 × 999 =
36. 36.175 × 999 =
37. 37.8 × 9 =
38. 38.94 × 99 =
39. 39.739 × 999 =
40. 40.64 × 99 =

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