Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 224 · 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. 1.4 × 9 =
2. 2.7408 × 999 =
3. 3.3 × 9 =
4. 4.18535 × 999 =
5. 5.72 × 99 =
6. 6.51 × 99 =
7. 7.4763 × 999 =
8. 8.8 × 9 =
9. 9.12461 × 999 =
10. 10.2125 × 999 =
11. 11.55 × 99 =
12. 12.53 × 99 =
13. 13.63 × 99 =
14. 14.8 × 9 =
15. 15.767 × 999 =
16. 16.34 × 99 =
17. 17.7 × 9 =
18. 18.489 × 99 =
19. 19.88 × 99 =
20. 20.52 × 99 =
21. 21.43 × 99 =
22. 22.3981 × 999 =
23. 23.8 × 9 =
24. 24.2 × 9 =
25. 25.719 × 999 =
26. 26.234 × 9 =
27. 27.353 × 999 =
28. 28.17 × 99 =
29. 29.934 × 999 =
30. 30.8 × 9 =
31. 31.635 × 999 =
32. 32.6 × 9 =
33. 33.11 × 99 =
34. 34.8 × 9 =
35. 35.15 × 9 =
36. 36.31 × 99 =
37. 37.5 × 99 =
38. 38.26 × 99 =
39. 39.6 × 9 =
40. 40.539 × 999 =

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