Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 786 · 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. 1.26699 × 999 =
2. 2.54 × 99 =
3. 3.24 × 99 =
4. 4.308 × 999 =
5. 5.213 × 9 =
6. 6.1943 × 99 =
7. 7.8052 × 999 =
8. 8.4 × 9 =
9. 9.1022 × 99 =
10. 10.7 × 9 =
11. 11.585 × 99 =
12. 12.28167 × 999 =
13. 13.5 × 9 =
14. 14.74 × 99 =
15. 15.7 × 9 =
16. 16.85 × 99 =
17. 17.4 × 9 =
18. 18.835 × 99 =
19. 19.144 × 9 =
20. 20.1439 × 99 =
21. 21.4 × 9 =
22. 22.434 × 99 =
23. 23.2443 × 99 =
24. 24.1779 × 99 =
25. 25.41 × 99 =
26. 26.4 × 9 =
27. 27.20073 × 999 =
28. 28.2 × 9 =
29. 29.596 × 999 =
30. 30.26 × 9 =
31. 31.98 × 99 =
32. 32.7 × 99 =
33. 33.161 × 999 =
34. 34.19666 × 999 =
35. 35.36 × 99 =
36. 36.6 × 9 =
37. 37.4 × 9 =
38. 38.932 × 999 =
39. 39.56 × 99 =
40. 40.112 × 9 =

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