Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 946 · 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. 1.28 × 99 =
2. 2.2 × 9 =
3. 3.3 × 9 =
4. 4.2 × 9 =
5. 5.85 × 99 =
6. 6.754 × 99 =
7. 7.78 × 99 =
8. 8.217 × 999 =
9. 9.5 × 9 =
10. 10.7 × 9 =
11. 11.783 × 999 =
12. 12.5 × 9 =
13. 13.782 × 999 =
14. 14.3 × 99 =
15. 15.959 × 999 =
16. 16.6 × 9 =
17. 17.51 × 99 =
18. 18.4 × 9 =
19. 19.47 × 99 =
20. 20.24 × 99 =
21. 21.7 × 99 =
22. 22.353 × 999 =
23. 23.22 × 99 =
24. 24.1351 × 99 =
25. 25.12 × 99 =
26. 26.92 × 99 =
27. 27.3 × 9 =
28. 28.13 × 99 =
29. 29.2 × 9 =
30. 30.69 × 99 =
31. 31.306 × 99 =
32. 32.93 × 9 =
33. 33.4 × 9 =
34. 34.6 × 9 =
35. 35.76 × 99 =
36. 36.209 × 99 =
37. 37.3 × 9 =
38. 38.29 × 999 =
39. 39.2574 × 99 =
40. 40.758 × 999 =

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