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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 925 · 40 sums
TalentJR

The trick (Yavadunam): Left part: the number + twice the difference. Middle part: 3 × the difference squared. Right part: the difference cubed. Each right-hand part has as many digits as the base has zeros — carry the extra, borrow if a part is negative.

NameDateTime takenScore ___ / 40
  1. 1.1008³ =
  2. 2.107³ =
  3. 3.992³ =
  4. 4.98³ =
  5. 5.998³ =
  6. 6.102³ =
  7. 7.98³ =
  8. 8.1003³ =
  9. 9.101³ =
  10. 10.1009³ =
  11. 11.1018³ =
  12. 12.990³ =
  13. 13.1018³ =
  14. 14.983³ =
  15. 15.104³ =
  16. 16.1006³ =
  17. 17.98³ =
  18. 18.987³ =
  19. 19.101³ =
  20. 20.983³ =
  21. 21.93³ =
  22. 22.106³ =
  23. 23.95³ =
  24. 24.105³ =
  25. 25.1012³ =
  26. 26.101³ =
  27. 27.983³ =
  28. 28.1017³ =
  29. 29.1018³ =
  30. 30.97³ =
  31. 31.98³ =
  32. 32.983³ =
  33. 33.92³ =
  34. 34.999³ =
  35. 35.982³ =
  36. 36.93³ =
  37. 37.101³ =
  38. 38.999³ =
  39. 39.1017³ =
  40. 40.96³ =

Answer key

  1. 1024192512
  2. 1225043
  3. 976191488
  4. 941192
  5. 994011992
  6. 1061208
  7. 941192
  8. 1009027027
  9. 1030301
  10. 1027243729
  11. 1054977832
  12. 970299000
  13. 1054977832
  14. 949862087
  15. 1124864
  16. 1018108216
  17. 941192
  18. 961504803
  19. 1030301
  20. 949862087
  21. 804357
  22. 1191016
  23. 857375
  24. 1157625
  25. 1036433728
  26. 1030301
  27. 949862087
  28. 1051871913
  29. 1054977832
  30. 912673
  31. 941192
  32. 949862087
  33. 778688
  34. 997002999
  35. 946966168
  36. 804357
  37. 1030301
  38. 997002999
  39. 1051871913
  40. 884736

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