Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 279 · 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. 1.963 × 999 =
2. 2.95 × 99 =
3. 3.6 × 9 =
4. 4.2 × 9 =
5. 5.81 × 99 =
6. 6.7 × 9 =
7. 7.56 × 99 =
8. 8.57 × 99 =
9. 9.5671 × 999 =
10. 10.68 × 99 =
11. 11.27 × 99 =
12. 12.18 × 99 =
13. 13.6 × 9 =
14. 14.71 × 9 =
15. 15.2523 × 99 =
16. 16.173 × 9 =
17. 17.1699 × 99 =
18. 18.4374 × 999 =
19. 19.391 × 999 =
20. 20.8 × 9 =
21. 21.99 × 999 =
22. 22.89 × 99 =
23. 23.7 × 9 =
24. 24.7 × 9 =
25. 25.32 × 99 =
26. 26.261 × 9 =
27. 27.86 × 99 =
28. 28.2 × 99 =
29. 29.652 × 999 =
30. 30.6 × 9 =
31. 31.231 × 999 =
32. 32.2 × 99 =
33. 33.8396 × 999 =
34. 34.96 × 99 =
35. 35.5 × 9 =
36. 36.24 × 99 =
37. 37.5 × 9 =
38. 38.68 × 99 =
39. 39.7 × 9 =
40. 40.28 × 99 =

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