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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 208 · 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. 1.103³ =
  2. 2.92³ =
  3. 3.998³ =
  4. 4.93³ =
  5. 5.1018³ =
  6. 6.104³ =
  7. 7.1012³ =
  8. 8.93³ =
  9. 9.91³ =
  10. 10.1013³ =
  11. 11.987³ =
  12. 12.102³ =
  13. 13.987³ =
  14. 14.103³ =
  15. 15.997³ =
  16. 16.94³ =
  17. 17.91³ =
  18. 18.104³ =
  19. 19.1003³ =
  20. 20.990³ =
  21. 21.104³ =
  22. 22.92³ =
  23. 23.101³ =
  24. 24.985³ =
  25. 25.97³ =
  26. 26.1003³ =
  27. 27.999³ =
  28. 28.103³ =
  29. 29.91³ =
  30. 30.101³ =
  31. 31.981³ =
  32. 32.94³ =
  33. 33.92³ =
  34. 34.980³ =
  35. 35.106³ =
  36. 36.997³ =
  37. 37.1015³ =
  38. 38.1011³ =
  39. 39.97³ =
  40. 40.108³ =

Answer key

  1. 1092727
  2. 778688
  3. 994011992
  4. 804357
  5. 1054977832
  6. 1124864
  7. 1036433728
  8. 804357
  9. 753571
  10. 1039509197
  11. 961504803
  12. 1061208
  13. 961504803
  14. 1092727
  15. 991026973
  16. 830584
  17. 753571
  18. 1124864
  19. 1009027027
  20. 970299000
  21. 1124864
  22. 778688
  23. 1030301
  24. 955671625
  25. 912673
  26. 1009027027
  27. 997002999
  28. 1092727
  29. 753571
  30. 1030301
  31. 944076141
  32. 830584
  33. 778688
  34. 941192000
  35. 1191016
  36. 991026973
  37. 1045678375
  38. 1033364331
  39. 912673
  40. 1259712

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