Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 884 · 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. 1.2 × 9 =
2. 2.785 × 999 =
3. 3.24 × 99 =
4. 4.36 × 999 =
5. 5.741 × 999 =
6. 6.61 × 99 =
7. 7.31 × 99 =
8. 8.41 × 9 =
9. 9.2172 × 99 =
10. 10.207 × 999 =
11. 11.89 × 999 =
12. 12.6 × 9 =
13. 13.183 × 9 =
14. 14.9 × 99 =
15. 15.2 × 9 =
16. 16.24671 × 999 =
17. 17.8 × 9 =
18. 18.222 × 999 =
19. 19.486 × 999 =
20. 20.27 × 99 =
21. 21.593 × 999 =
22. 22.95 × 99 =
23. 23.3 × 99 =
24. 24.3 × 9 =
25. 25.3 × 9 =
26. 26.62 × 999 =
27. 27.4 × 9 =
28. 28.2114 × 99 =
29. 29.104 × 99 =
30. 30.5 × 9 =
31. 31.2 × 9 =
32. 32.75 × 999 =
33. 33.21 × 99 =
34. 34.7 × 9 =
35. 35.11 × 99 =
36. 36.186 × 999 =
37. 37.2061 × 99 =
38. 38.67 × 99 =
39. 39.84 × 9 =
40. 40.375 × 99 =

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