Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 782 · 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. 2.14 × 99 =
3. 3.131 × 9 =
4. 4.3 × 9 =
5. 5.21 × 9 =
6. 6.267 × 9 =
7. 7.13445 × 999 =
8. 8.48 × 999 =
9. 9.15 × 99 =
10. 10.936 × 999 =
11. 11.7836 × 999 =
12. 12.95 × 99 =
13. 13.146 × 9 =
14. 14.4 × 99 =
15. 15.6 × 9 =
16. 16.84 × 99 =
17. 17.2 × 9 =
18. 18.1616 × 999 =
19. 19.93 × 999 =
20. 20.3 × 9 =
21. 21.8 × 9 =
22. 22.859 × 999 =
23. 23.813 × 99 =
24. 24.89 × 99 =
25. 25.716 × 999 =
26. 26.7 × 9 =
27. 27.16 × 99 =
28. 28.2 × 9 =
29. 29.94 × 99 =
30. 30.401 × 999 =
31. 31.13 × 99 =
32. 32.805 × 99 =
33. 33.3 × 9 =
34. 34.69 × 99 =
35. 35.141 × 9 =
36. 36.91 × 99 =
37. 37.5774 × 999 =
38. 38.144 × 9 =
39. 39.688 × 999 =
40. 40.1755 × 99 =

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