Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 3 · 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. 1.649 × 999 =
2. 2.3 × 9 =
3. 3.3 × 9 =
4. 4.192 × 9 =
5. 5.206 × 9 =
6. 6.6 × 99 =
7. 7.21 × 99 =
8. 8.779 × 999 =
9. 9.25 × 99 =
10. 10.151 × 9 =
11. 11.127 × 9 =
12. 12.1054 × 99 =
13. 13.924 × 99 =
14. 14.6 × 99 =
15. 15.29 × 99 =
16. 16.73 × 99 =
17. 17.74 × 99 =
18. 18.4 × 9 =
19. 19.5 × 9 =
20. 20.25 × 99 =
21. 21.5 × 9 =
22. 22.206 × 999 =
23. 23.7 × 9 =
24. 24.96 × 99 =
25. 25.48 × 99 =
26. 26.62 × 99 =
27. 27.147 × 9 =
28. 28.723 × 999 =
29. 29.8 × 9 =
30. 30.56 × 99 =
31. 31.541 × 999 =
32. 32.153 × 9 =
33. 33.56 × 99 =
34. 34.7 × 9 =
35. 35.2 × 9 =
36. 36.25835 × 999 =
37. 37.2 × 9 =
38. 38.786 × 999 =
39. 39.2564 × 99 =
40. 40.12384 × 999 =

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