Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 63 · 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. 1.388 × 999 =
2. 2.93 × 99 =
3. 3.6 × 9 =
4. 4.498 × 999 =
5. 5.794 × 999 =
6. 6.2 × 9 =
7. 7.2 × 9 =
8. 8.64 × 99 =
9. 9.3 × 9 =
10. 10.5 × 9 =
11. 11.2711 × 99 =
12. 12.4 × 9 =
13. 13.2221 × 99 =
14. 14.182 × 9 =
15. 15.2664 × 99 =
16. 16.478 × 999 =
17. 17.20539 × 999 =
18. 18.2422 × 99 =
19. 19.7 × 9 =
20. 20.935 × 999 =
21. 21.671 × 999 =
22. 22.5 × 9 =
23. 23.435 × 999 =
24. 24.942 × 99 =
25. 25.18 × 99 =
26. 26.937 × 99 =
27. 27.5 × 9 =
28. 28.449 × 99 =
29. 29.913 × 999 =
30. 30.3 × 99 =
31. 31.20354 × 999 =
32. 32.49 × 99 =
33. 33.2095 × 999 =
34. 34.5 × 9 =
35. 35.2798 × 99 =
36. 36.14096 × 999 =
37. 37.225 × 9 =
38. 38.56 × 9 =
39. 39.864 × 999 =
40. 40.168 × 9 =

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