Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 101 · 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. 1.3 × 9 =
2. 2.471 × 999 =
3. 3.95 × 99 =
4. 4.7 × 9 =
5. 5.677 × 99 =
6. 6.2 × 9 =
7. 7.5 × 9 =
8. 8.56 × 99 =
9. 9.7 × 9 =
10. 10.2 × 9 =
11. 11.2 × 9 =
12. 12.611 × 999 =
13. 13.651 × 999 =
14. 14.158 × 999 =
15. 15.94 × 99 =
16. 16.306 × 999 =
17. 17.639 × 999 =
18. 18.96 × 99 =
19. 19.2 × 9 =
20. 20.39 × 99 =
21. 21.17 × 99 =
22. 22.44 × 99 =
23. 23.547 × 99 =
24. 24.262 × 999 =
25. 25.4 × 9 =
26. 26.1206 × 99 =
27. 27.31 × 9 =
28. 28.3 × 9 =
29. 29.47 × 99 =
30. 30.52 × 9 =
31. 31.11 × 99 =
32. 32.25 × 99 =
33. 33.6 × 9 =
34. 34.32 × 99 =
35. 35.2942 × 999 =
36. 36.26773 × 999 =
37. 37.153 × 9 =
38. 38.251 × 9 =
39. 39.19706 × 999 =
40. 40.44 × 9 =

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