Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 933 · 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. 1.13874 × 999 =
2. 2.23 × 99 =
3. 3.25 × 99 =
4. 4.842 × 999 =
5. 5.58 × 99 =
6. 6.17 × 99 =
7. 7.2535 × 99 =
8. 8.17 × 999 =
9. 9.822 × 999 =
10. 10.6248 × 999 =
11. 11.63 × 9 =
12. 12.6 × 9 =
13. 13.19 × 999 =
14. 14.2 × 9 =
15. 15.85 × 99 =
16. 16.31 × 99 =
17. 17.59 × 99 =
18. 18.217 × 9 =
19. 19.7 × 99 =
20. 20.828 × 999 =
21. 21.6 × 9 =
22. 22.241 × 999 =
23. 23.5 × 9 =
24. 24.27895 × 999 =
25. 25.5 × 9 =
26. 26.3 × 9 =
27. 27.29 × 99 =
28. 28.181 × 999 =
29. 29.164 × 9 =
30. 30.32 × 9 =
31. 31.11849 × 999 =
32. 32.3 × 9 =
33. 33.8 × 9 =
34. 34.11801 × 999 =
35. 35.17 × 99 =
36. 36.611 × 999 =
37. 37.3 × 9 =
38. 38.7 × 9 =
39. 39.35 × 99 =
40. 40.782 × 999 =

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