Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 565 · 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. 2.3 × 9 =
3. 3.306 × 999 =
4. 4.159 × 99 =
5. 5.2647 × 99 =
6. 6.4 × 9 =
7. 7.14 × 99 =
8. 8.799 × 99 =
9. 9.361 × 999 =
10. 10.24 × 999 =
11. 11.3 × 9 =
12. 12.857 × 999 =
13. 13.81 × 99 =
14. 14.6 × 9 =
15. 15.141 × 999 =
16. 16.64 × 99 =
17. 17.2 × 9 =
18. 18.123 × 9 =
19. 19.99 × 9 =
20. 20.2 × 9 =
21. 21.844 × 999 =
22. 22.456 × 999 =
23. 23.4 × 9 =
24. 24.5 × 9 =
25. 25.77 × 99 =
26. 26.18 × 99 =
27. 27.9316 × 999 =
28. 28.97 × 9 =
29. 29.191 × 9 =
30. 30.98 × 99 =
31. 31.61 × 9 =
32. 32.67 × 99 =
33. 33.8 × 9 =
34. 34.34 × 99 =
35. 35.15704 × 999 =
36. 36.1571 × 999 =
37. 37.1456 × 99 =
38. 38.2879 × 99 =
39. 39.761 × 999 =
40. 40.486 × 999 =

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