Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 410 · 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. 1.4 × 9 =
2. 2.861 × 999 =
3. 3.877 × 999 =
4. 4.691 × 999 =
5. 5.31 × 999 =
6. 6.3582 × 999 =
7. 7.29 × 99 =
8. 8.2 × 9 =
9. 9.137 × 999 =
10. 10.3 × 9 =
11. 11.589 × 999 =
12. 12.8 × 9 =
13. 13.61 × 99 =
14. 14.8 × 9 =
15. 15.6 × 9 =
16. 16.8169 × 999 =
17. 17.776 × 999 =
18. 18.206 × 999 =
19. 19.27 × 99 =
20. 20.8 × 9 =
21. 21.51 × 99 =
22. 22.211 × 999 =
23. 23.3 × 9 =
24. 24.67 × 99 =
25. 25.8 × 9 =
26. 26.814 × 99 =
27. 27.871 × 999 =
28. 28.411 × 99 =
29. 29.2 × 99 =
30. 30.11 × 99 =
31. 31.7 × 9 =
32. 32.8 × 9 =
33. 33.366 × 999 =
34. 34.97 × 99 =
35. 35.3 × 999 =
36. 36.83 × 999 =
37. 37.75 × 999 =
38. 38.69 × 99 =
39. 39.748 × 999 =
40. 40.6 × 9 =

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