Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 527 · 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. 1.5 × 9 =
2. 2.303 × 999 =
3. 3.66 × 9 =
4. 4.7 × 9 =
5. 5.812 × 99 =
6. 6.51 × 99 =
7. 7.6 × 9 =
8. 8.7 × 9 =
9. 9.7 × 9 =
10. 10.551 × 999 =
11. 11.1254 × 999 =
12. 12.766 × 999 =
13. 13.19 × 99 =
14. 14.188 × 9 =
15. 15.2 × 99 =
16. 16.244 × 999 =
17. 17.122 × 9 =
18. 18.462 × 999 =
19. 19.29887 × 999 =
20. 20.3 × 9 =
21. 21.89 × 999 =
22. 22.239 × 999 =
23. 23.5 × 9 =
24. 24.2968 × 99 =
25. 25.7 × 9 =
26. 26.181 × 9 =
27. 27.267 × 9 =
28. 28.8 × 9 =
29. 29.9104 × 999 =
30. 30.701 × 99 =
31. 31.91 × 99 =
32. 32.373 × 999 =
33. 33.11077 × 999 =
34. 34.376 × 999 =
35. 35.3 × 9 =
36. 36.2306 × 99 =
37. 37.697 × 99 =
38. 38.167 × 9 =
39. 39.5695 × 999 =
40. 40.112 × 99 =

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