Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 139 · 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. 1.62 × 99 =
2. 2.6 × 9 =
3. 3.34 × 9 =
4. 4.183 × 9 =
5. 5.8 × 9 =
6. 6.96 × 99 =
7. 7.5 × 9 =
8. 8.27084 × 999 =
9. 9.4 × 9 =
10. 10.6 × 9 =
11. 11.8 × 9 =
12. 12.4157 × 999 =
13. 13.39 × 99 =
14. 14.42 × 99 =
15. 15.2612 × 99 =
16. 16.7 × 9 =
17. 17.503 × 999 =
18. 18.55 × 9 =
19. 19.205 × 999 =
20. 20.6 × 9 =
21. 21.13 × 99 =
22. 22.1716 × 99 =
23. 23.5 × 9 =
24. 24.3 × 99 =
25. 25.641 × 999 =
26. 26.606 × 99 =
27. 27.1403 × 99 =
28. 28.4 × 9 =
29. 29.81 × 999 =
30. 30.19 × 99 =
31. 31.8 × 9 =
32. 32.4 × 9 =
33. 33.248 × 9 =
34. 34.29391 × 999 =
35. 35.29 × 99 =
36. 36.1829 × 99 =
37. 37.26 × 99 =
38. 38.96 × 99 =
39. 39.22951 × 999 =
40. 40.63 × 99 =

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