Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 200 · 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. 1.6 × 9 =
2. 2.41 × 99 =
3. 3.8 × 9 =
4. 4.27 × 999 =
5. 5.654 × 999 =
6. 6.411 × 999 =
7. 7.877 × 999 =
8. 8.712 × 99 =
9. 9.51 × 99 =
10. 10.854 × 999 =
11. 11.2653 × 99 =
12. 12.1277 × 99 =
13. 13.2007 × 99 =
14. 14.4 × 9 =
15. 15.3 × 9 =
16. 16.21 × 99 =
17. 17.6 × 9 =
18. 18.848 × 999 =
19. 19.371 × 99 =
20. 20.571 × 999 =
21. 21.197 × 9 =
22. 22.25 × 99 =
23. 23.161 × 9 =
24. 24.2 × 9 =
25. 25.3 × 9 =
26. 26.837 × 999 =
27. 27.101 × 9 =
28. 28.217 × 999 =
29. 29.2 × 9 =
30. 30.416 × 999 =
31. 31.67 × 99 =
32. 32.4 × 9 =
33. 33.93 × 999 =
34. 34.17 × 99 =
35. 35.779 × 999 =
36. 36.534 × 999 =
37. 37.5 × 99 =
38. 38.62 × 99 =
39. 39.11582 × 999 =
40. 40.41 × 99 =

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