Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 563 · 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. 1.4 × 9 =
2. 2.7 × 99 =
3. 3.22 × 99 =
4. 4.3 × 9 =
5. 5.103 × 9 =
6. 6.848 × 999 =
7. 7.104 × 999 =
8. 8.45 × 99 =
9. 9.6 × 99 =
10. 10.901 × 999 =
11. 11.4 × 9 =
12. 12.6141 × 999 =
13. 13.1736 × 99 =
14. 14.73 × 99 =
15. 15.71 × 99 =
16. 16.712 × 999 =
17. 17.2717 × 99 =
18. 18.401 × 999 =
19. 19.95 × 99 =
20. 20.2 × 99 =
21. 21.7 × 9 =
22. 22.95 × 99 =
23. 23.2 × 9 =
24. 24.8 × 9 =
25. 25.2182 × 99 =
26. 26.12 × 9 =
27. 27.197 × 999 =
28. 28.5 × 9 =
29. 29.2644 × 99 =
30. 30.219 × 9 =
31. 31.464 × 999 =
32. 32.5 × 9 =
33. 33.67 × 99 =
34. 34.153 × 9 =
35. 35.7 × 9 =
36. 36.942 × 999 =
37. 37.2785 × 99 =
38. 38.108 × 9 =
39. 39.287 × 999 =
40. 40.5 × 9 =

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