Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 95 · 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. 1.26661 × 999 =
2. 2.748 × 999 =
3. 3.11 × 99 =
4. 4.3 × 9 =
5. 5.273 × 999 =
6. 6.3 × 9 =
7. 7.8 × 9 =
8. 8.12 × 99 =
9. 9.473 × 999 =
10. 10.127 × 99 =
11. 11.28365 × 999 =
12. 12.481 × 999 =
13. 13.1928 × 999 =
14. 14.1851 × 99 =
15. 15.82 × 999 =
16. 16.15 × 99 =
17. 17.5 × 9 =
18. 18.6 × 99 =
19. 19.3 × 9 =
20. 20.1714 × 99 =
21. 21.91 × 99 =
22. 22.73 × 99 =
23. 23.93 × 99 =
24. 24.63 × 999 =
25. 25.2 × 9 =
26. 26.126 × 999 =
27. 27.2164 × 99 =
28. 28.191 × 9 =
29. 29.24323 × 999 =
30. 30.112 × 9 =
31. 31.225 × 999 =
32. 32.2 × 9 =
33. 33.199 × 999 =
34. 34.47 × 9 =
35. 35.45 × 99 =
36. 36.21 × 99 =
37. 37.334 × 999 =
38. 38.7 × 9 =
39. 39.5 × 9 =
40. 40.3 × 9 =

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