Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 800 · 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. 1.554 × 999 =
2. 2.5 × 9 =
3. 3.15 × 99 =
4. 4.5 × 99 =
5. 5.3 × 9 =
6. 6.216 × 999 =
7. 7.49 × 9 =
8. 8.8 × 9 =
9. 9.48 × 99 =
10. 10.134 × 999 =
11. 11.6 × 9 =
12. 12.14849 × 999 =
13. 13.98 × 99 =
14. 14.839 × 999 =
15. 15.83 × 99 =
16. 16.4 × 9 =
17. 17.268 × 9 =
18. 18.28 × 99 =
19. 19.569 × 999 =
20. 20.91 × 99 =
21. 21.84 × 99 =
22. 22.456 × 999 =
23. 23.701 × 999 =
24. 24.18 × 99 =
25. 25.4136 × 999 =
26. 26.55 × 99 =
27. 27.25 × 99 =
28. 28.91 × 99 =
29. 29.4 × 9 =
30. 30.59 × 99 =
31. 31.2 × 99 =
32. 32.6 × 9 =
33. 33.16 × 99 =
34. 34.8 × 9 =
35. 35.8 × 9 =
36. 36.26341 × 999 =
37. 37.95 × 99 =
38. 38.194 × 9 =
39. 39.69 × 999 =
40. 40.664 × 99 =

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