Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 245 · 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. 1.4 × 9 =
2. 2.68 × 99 =
3. 3.1387 × 99 =
4. 4.7 × 9 =
5. 5.476 × 999 =
6. 6.2 × 9 =
7. 7.58 × 99 =
8. 8.77 × 99 =
9. 9.2 × 9 =
10. 10.91 × 999 =
11. 11.314 × 999 =
12. 12.782 × 999 =
13. 13.15126 × 999 =
14. 14.311 × 99 =
15. 15.5 × 9 =
16. 16.22 × 999 =
17. 17.104 × 9 =
18. 18.98 × 99 =
19. 19.29468 × 999 =
20. 20.5 × 99 =
21. 21.463 × 999 =
22. 22.36 × 999 =
23. 23.2 × 9 =
24. 24.3 × 9 =
25. 25.38 × 99 =
26. 26.10021 × 999 =
27. 27.445 × 999 =
28. 28.952 × 999 =
29. 29.4 × 9 =
30. 30.185 × 9 =
31. 31.91 × 99 =
32. 32.97 × 99 =
33. 33.79 × 99 =
34. 34.8 × 9 =
35. 35.1869 × 99 =
36. 36.11 × 99 =
37. 37.19357 × 999 =
38. 38.85 × 9 =
39. 39.2 × 9 =
40. 40.2 × 99 =

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