Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 865 · 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. 1.2 × 9 =
2. 2.974 × 999 =
3. 3.5 × 9 =
4. 4.8 × 9 =
5. 5.152 × 9 =
6. 6.81 × 99 =
7. 7.369 × 999 =
8. 8.211 × 999 =
9. 9.41 × 99 =
10. 10.1538 × 99 =
11. 11.132 × 99 =
12. 12.23 × 99 =
13. 13.27755 × 999 =
14. 14.11 × 99 =
15. 15.11 × 99 =
16. 16.2331 × 99 =
17. 17.881 × 99 =
18. 18.29 × 99 =
19. 19.451 × 999 =
20. 20.20168 × 999 =
21. 21.77 × 99 =
22. 22.32 × 99 =
23. 23.1431 × 999 =
24. 24.51 × 9 =
25. 25.534 × 999 =
26. 26.874 × 999 =
27. 27.144 × 9 =
28. 28.123 × 9 =
29. 29.7299 × 999 =
30. 30.22 × 999 =
31. 31.218 × 999 =
32. 32.4 × 9 =
33. 33.64 × 99 =
34. 34.8 × 9 =
35. 35.2351 × 99 =
36. 36.1494 × 99 =
37. 37.701 × 999 =
38. 38.5 × 9 =
39. 39.19 × 9 =
40. 40.42 × 99 =

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