Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 916 · 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. 1.6 × 9 =
2. 2.67 × 99 =
3. 3.915 × 999 =
4. 4.131 × 999 =
5. 5.928 × 999 =
6. 6.34 × 99 =
7. 7.25 × 99 =
8. 8.769 × 999 =
9. 9.42 × 999 =
10. 10.6 × 9 =
11. 11.3 × 9 =
12. 12.61 × 99 =
13. 13.275 × 999 =
14. 14.7 × 9 =
15. 15.168 × 9 =
16. 16.174 × 999 =
17. 17.33 × 99 =
18. 18.65 × 99 =
19. 19.2 × 9 =
20. 20.8 × 9 =
21. 21.415 × 999 =
22. 22.838 × 999 =
23. 23.15577 × 999 =
24. 24.67 × 99 =
25. 25.471 × 999 =
26. 26.2336 × 999 =
27. 27.2 × 9 =
28. 28.12 × 99 =
29. 29.85 × 99 =
30. 30.20768 × 999 =
31. 31.14 × 999 =
32. 32.671 × 999 =
33. 33.3 × 9 =
34. 34.14 × 9 =
35. 35.45 × 999 =
36. 36.449 × 999 =
37. 37.32 × 99 =
38. 38.129 × 9 =
39. 39.5 × 9 =
40. 40.25 × 99 =

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