Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 26 · 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. 2.18 × 999 =
3. 3.197 × 9 =
4. 4.3 × 9 =
5. 5.1335 × 99 =
6. 6.69 × 99 =
7. 7.13381 × 999 =
8. 8.7 × 9 =
9. 9.628 × 999 =
10. 10.61 × 99 =
11. 11.42 × 99 =
12. 12.493 × 999 =
13. 13.25691 × 999 =
14. 14.52 × 99 =
15. 15.36 × 99 =
16. 16.678 × 999 =
17. 17.2 × 9 =
18. 18.13 × 99 =
19. 19.59 × 9 =
20. 20.695 × 999 =
21. 21.6 × 9 =
22. 22.548 × 99 =
23. 23.538 × 99 =
24. 24.29 × 9 =
25. 25.62 × 99 =
26. 26.2253 × 999 =
27. 27.4 × 9 =
28. 28.935 × 999 =
29. 29.21 × 99 =
30. 30.2 × 9 =
31. 31.386 × 999 =
32. 32.2 × 9 =
33. 33.49 × 99 =
34. 34.58 × 9 =
35. 35.448 × 999 =
36. 36.4 × 9 =
37. 37.4 × 9 =
38. 38.7 × 9 =
39. 39.21181 × 999 =
40. 40.2951 × 99 =

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