Multiply by 9 and 99 Worksheet

Vedic maths trick 11: Multiply by 9, 99 and 999 · Set 952 · 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. 1.94 × 99 =
2. 2.931 × 999 =
3. 3.74 × 99 =
4. 4.45 × 99 =
5. 5.14 × 99 =
6. 6.93 × 99 =
7. 7.2 × 9 =
8. 8.761 × 999 =
9. 9.5 × 9 =
10. 10.81 × 999 =
11. 11.5 × 9 =
12. 12.748 × 999 =
13. 13.21957 × 999 =
14. 14.24726 × 999 =
15. 15.604 × 999 =
16. 16.2028 × 99 =
17. 17.8 × 9 =
18. 18.393 × 999 =
19. 19.9626 × 999 =
20. 20.91 × 9 =
21. 21.29 × 99 =
22. 22.379 × 99 =
23. 23.3 × 9 =
24. 24.4 × 9 =
25. 25.24 × 9 =
26. 26.6 × 9 =
27. 27.393 × 999 =
28. 28.77 × 99 =
29. 29.5 × 9 =
30. 30.231 × 9 =
31. 31.942 × 99 =
32. 32.83 × 99 =
33. 33.4 × 9 =
34. 34.34 × 99 =
35. 35.83 × 99 =
36. 36.62 × 99 =
37. 37.1168 × 99 =
38. 38.23299 × 999 =
39. 39.15 × 99 =
40. 40.951 × 999 =

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