Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 998 · 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. 1.26138 × 999 =
2. 2.8 × 9 =
3. 3.3893 × 999 =
4. 4.651 × 99 =
5. 5.198 × 9 =
6. 6.158 × 999 =
7. 7.5 × 99 =
8. 8.223 × 999 =
9. 9.4 × 9 =
10. 10.29113 × 999 =
11. 11.5 × 99 =
12. 12.7 × 9 =
13. 13.45 × 99 =
14. 14.2 × 9 =
15. 15.18326 × 999 =
16. 16.205 × 999 =
17. 17.93 × 99 =
18. 18.4 × 9 =
19. 19.823 × 999 =
20. 20.4 × 9 =
21. 21.1901 × 99 =
22. 22.7 × 9 =
23. 23.1069 × 999 =
24. 24.11 × 99 =
25. 25.2 × 9 =
26. 26.8 × 9 =
27. 27.269 × 9 =
28. 28.771 × 999 =
29. 29.2611 × 99 =
30. 30.7707 × 999 =
31. 31.169 × 9 =
32. 32.1751 × 99 =
33. 33.8 × 9 =
34. 34.43 × 99 =
35. 35.11 × 99 =
36. 36.416 × 999 =
37. 37.61 × 99 =
38. 38.118 × 9 =
39. 39.9552 × 999 =
40. 40.3 × 99 =

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