Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 202 · 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. 2.62 × 99 =
3. 3.621 × 999 =
4. 4.2623 × 99 =
5. 5.14 × 99 =
6. 6.3 × 9 =
7. 7.12794 × 999 =
8. 8.53 × 9 =
9. 9.3 × 9 =
10. 10.52 × 999 =
11. 11.14 × 99 =
12. 12.61 × 99 =
13. 13.2625 × 99 =
14. 14.19 × 9 =
15. 15.2 × 9 =
16. 16.8 × 9 =
17. 17.536 × 999 =
18. 18.184 × 999 =
19. 19.88 × 99 =
20. 20.5 × 99 =
21. 21.7 × 9 =
22. 22.7 × 9 =
23. 23.1748 × 99 =
24. 24.4 × 9 =
25. 25.6 × 9 =
26. 26.5 × 9 =
27. 27.3 × 9 =
28. 28.718 × 999 =
29. 29.2 × 9 =
30. 30.23957 × 999 =
31. 31.874 × 999 =
32. 32.14651 × 999 =
33. 33.231 × 9 =
34. 34.38 × 99 =
35. 35.24632 × 999 =
36. 36.24889 × 999 =
37. 37.4 × 9 =
38. 38.29096 × 999 =
39. 39.6 × 9 =
40. 40.3 × 99 =

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