Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 262 · 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. 1.76 × 9 =
2. 2.48 × 9 =
3. 3.1289 × 99 =
4. 4.6764 × 999 =
5. 5.1238 × 99 =
6. 6.8 × 9 =
7. 7.76 × 99 =
8. 8.818 × 999 =
9. 9.6 × 9 =
10. 10.829 × 999 =
11. 11.28873 × 999 =
12. 12.216 × 999 =
13. 13.729 × 99 =
14. 14.92 × 99 =
15. 15.6 × 9 =
16. 16.5 × 9 =
17. 17.49 × 99 =
18. 18.75 × 9 =
19. 19.27 × 99 =
20. 20.8 × 9 =
21. 21.411 × 99 =
22. 22.1094 × 99 =
23. 23.86 × 99 =
24. 24.62 × 9 =
25. 25.66 × 99 =
26. 26.45 × 9 =
27. 27.7 × 9 =
28. 28.5 × 9 =
29. 29.368 × 999 =
30. 30.144 × 9 =
31. 31.69 × 99 =
32. 32.701 × 999 =
33. 33.59 × 99 =
34. 34.283 × 999 =
35. 35.9322 × 999 =
36. 36.293 × 999 =
37. 37.63 × 99 =
38. 38.21604 × 999 =
39. 39.4 × 9 =
40. 40.93 × 99 =

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