Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 337 · 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. 1.627 × 99 =
2. 2.3 × 9 =
3. 3.709 × 999 =
4. 4.47 × 9 =
5. 5.23717 × 999 =
6. 6.7 × 9 =
7. 7.3 × 9 =
8. 8.4 × 9 =
9. 9.7 × 9 =
10. 10.27 × 99 =
11. 11.661 × 999 =
12. 12.4 × 9 =
13. 13.982 × 999 =
14. 14.201 × 9 =
15. 15.383 × 999 =
16. 16.268 × 999 =
17. 17.21 × 99 =
18. 18.7 × 9 =
19. 19.353 × 999 =
20. 20.277 × 999 =
21. 21.22 × 99 =
22. 22.41 × 99 =
23. 23.2 × 9 =
24. 24.31 × 99 =
25. 25.1274 × 99 =
26. 26.658 × 999 =
27. 27.761 × 999 =
28. 28.6 × 9 =
29. 29.3 × 99 =
30. 30.14 × 99 =
31. 31.83 × 99 =
32. 32.511 × 99 =
33. 33.3522 × 999 =
34. 34.14 × 99 =
35. 35.6 × 9 =
36. 36.4 × 9 =
37. 37.157 × 9 =
38. 38.8 × 9 =
39. 39.3 × 9 =
40. 40.28 × 99 =

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