Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 463 · 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. 1.21973 × 999 =
2. 2.21 × 99 =
3. 3.4 × 9 =
4. 4.12468 × 999 =
5. 5.2594 × 99 =
6. 6.55 × 99 =
7. 7.74 × 99 =
8. 8.8 × 9 =
9. 9.4 × 9 =
10. 10.841 × 999 =
11. 11.47 × 99 =
12. 12.4 × 99 =
13. 13.95 × 99 =
14. 14.69 × 99 =
15. 15.639 × 999 =
16. 16.532 × 999 =
17. 17.75 × 99 =
18. 18.7 × 9 =
19. 19.1773 × 99 =
20. 20.5 × 9 =
21. 21.406 × 999 =
22. 22.88 × 99 =
23. 23.81 × 999 =
24. 24.93 × 99 =
25. 25.2411 × 99 =
26. 26.269 × 999 =
27. 27.716 × 999 =
28. 28.77 × 99 =
29. 29.3 × 9 =
30. 30.3 × 9 =
31. 31.5575 × 999 =
32. 32.26185 × 999 =
33. 33.37 × 999 =
34. 34.6 × 9 =
35. 35.2539 × 99 =
36. 36.33 × 99 =
37. 37.2 × 9 =
38. 38.211 × 9 =
39. 39.802 × 999 =
40. 40.81 × 99 =

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