Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 187 · 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. 1.1625 × 99 =
2. 2.6 × 9 =
3. 3.19245 × 999 =
4. 4.7 × 9 =
5. 5.18811 × 999 =
6. 6.142 × 9 =
7. 7.952 × 999 =
8. 8.5 × 9 =
9. 9.8 × 9 =
10. 10.116 × 999 =
11. 11.22 × 99 =
12. 12.806 × 999 =
13. 13.1589 × 99 =
14. 14.297 × 999 =
15. 15.405 × 999 =
16. 16.469 × 999 =
17. 17.8 × 9 =
18. 18.2 × 9 =
19. 19.154 × 999 =
20. 20.68 × 9 =
21. 21.675 × 999 =
22. 22.5247 × 999 =
23. 23.265 × 999 =
24. 24.7 × 9 =
25. 25.396 × 999 =
26. 26.7 × 9 =
27. 27.75 × 99 =
28. 28.8 × 9 =
29. 29.117 × 999 =
30. 30.545 × 999 =
31. 31.307 × 999 =
32. 32.4 × 9 =
33. 33.994 × 999 =
34. 34.2737 × 999 =
35. 35.758 × 999 =
36. 36.6 × 9 =
37. 37.49 × 99 =
38. 38.1609 × 99 =
39. 39.77 × 99 =
40. 40.7 × 9 =

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