Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 239 · 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. 1.6 × 9 =
2. 2.104 × 9 =
3. 3.481 × 99 =
4. 4.27 × 99 =
5. 5.67 × 99 =
6. 6.118 × 999 =
7. 7.6 × 9 =
8. 8.2077 × 99 =
9. 9.567 × 999 =
10. 10.368 × 999 =
11. 11.709 × 99 =
12. 12.72 × 99 =
13. 13.6 × 9 =
14. 14.1577 × 99 =
15. 15.71 × 99 =
16. 16.111 × 9 =
17. 17.35 × 99 =
18. 18.15 × 99 =
19. 19.14893 × 999 =
20. 20.256 × 999 =
21. 21.228 × 9 =
22. 22.947 × 999 =
23. 23.7 × 99 =
24. 24.98 × 99 =
25. 25.17207 × 999 =
26. 26.564 × 999 =
27. 27.5 × 9 =
28. 28.86 × 99 =
29. 29.2 × 9 =
30. 30.13 × 99 =
31. 31.3 × 999 =
32. 32.62 × 99 =
33. 33.471 × 999 =
34. 34.955 × 999 =
35. 35.359 × 999 =
36. 36.7 × 9 =
37. 37.68 × 99 =
38. 38.53 × 99 =
39. 39.72 × 99 =
40. 40.75 × 99 =

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