Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 362 · 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. 1.16 × 99 =
2. 2.221 × 9 =
3. 3.833 × 999 =
4. 4.782 × 99 =
5. 5.92 × 99 =
6. 6.981 × 999 =
7. 7.81 × 99 =
8. 8.671 × 999 =
9. 9.21921 × 999 =
10. 10.86 × 9 =
11. 11.361 × 999 =
12. 12.207 × 9 =
13. 13.11 × 99 =
14. 14.191 × 9 =
15. 15.7 × 9 =
16. 16.96 × 99 =
17. 17.377 × 999 =
18. 18.73 × 99 =
19. 19.2595 × 99 =
20. 20.691 × 999 =
21. 21.395 × 999 =
22. 22.16 × 999 =
23. 23.7 × 9 =
24. 24.103 × 9 =
25. 25.272 × 999 =
26. 26.18 × 99 =
27. 27.7849 × 999 =
28. 28.8 × 9 =
29. 29.65 × 99 =
30. 30.3 × 9 =
31. 31.891 × 99 =
32. 32.48 × 99 =
33. 33.669 × 99 =
34. 34.18 × 99 =
35. 35.518 × 999 =
36. 36.55 × 999 =
37. 37.1347 × 999 =
38. 38.1601 × 99 =
39. 39.861 × 999 =
40. 40.8 × 9 =

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