Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 579 · 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. 2.7 × 9 =
3. 3.2 × 9 =
4. 4.115 × 999 =
5. 5.41 × 99 =
6. 6.49 × 99 =
7. 7.77 × 999 =
8. 8.462 × 99 =
9. 9.43 × 9 =
10. 10.5162 × 999 =
11. 11.261 × 9 =
12. 12.246 × 999 =
13. 13.32 × 99 =
14. 14.71 × 99 =
15. 15.55 × 99 =
16. 16.84 × 99 =
17. 17.125 × 999 =
18. 18.32 × 999 =
19. 19.6 × 9 =
20. 20.2 × 9 =
21. 21.861 × 999 =
22. 22.58 × 99 =
23. 23.6 × 9 =
24. 24.2 × 9 =
25. 25.182 × 9 =
26. 26.19812 × 999 =
27. 27.669 × 999 =
28. 28.56 × 99 =
29. 29.254 × 99 =
30. 30.2258 × 99 =
31. 31.41 × 99 =
32. 32.5 × 9 =
33. 33.2 × 9 =
34. 34.6 × 9 =
35. 35.19 × 99 =
36. 36.32 × 99 =
37. 37.59 × 99 =
38. 38.15007 × 999 =
39. 39.1561 × 99 =
40. 40.3 × 9 =

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