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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 67 · 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. 1.104³ =
  2. 2.988³ =
  3. 3.101³ =
  4. 4.980³ =
  5. 5.981³ =
  6. 6.94³ =
  7. 7.103³ =
  8. 8.105³ =
  9. 9.1006³ =
  10. 10.109³ =
  11. 11.995³ =
  12. 12.92³ =
  13. 13.97³ =
  14. 14.102³ =
  15. 15.990³ =
  16. 16.102³ =
  17. 17.97³ =
  18. 18.93³ =
  19. 19.991³ =
  20. 20.985³ =
  21. 21.103³ =
  22. 22.1006³ =
  23. 23.94³ =
  24. 24.98³ =
  25. 25.1003³ =
  26. 26.1013³ =
  27. 27.1015³ =
  28. 28.98³ =
  29. 29.1004³ =
  30. 30.93³ =
  31. 31.1017³ =
  32. 32.98³ =
  33. 33.104³ =
  34. 34.104³ =
  35. 35.106³ =
  36. 36.984³ =
  37. 37.993³ =
  38. 38.93³ =
  39. 39.1016³ =
  40. 40.105³ =

Answer key

  1. 1124864
  2. 964430272
  3. 1030301
  4. 941192000
  5. 944076141
  6. 830584
  7. 1092727
  8. 1157625
  9. 1018108216
  10. 1295029
  11. 985074875
  12. 778688
  13. 912673
  14. 1061208
  15. 970299000
  16. 1061208
  17. 912673
  18. 804357
  19. 973242271
  20. 955671625
  21. 1092727
  22. 1018108216
  23. 830584
  24. 941192
  25. 1009027027
  26. 1039509197
  27. 1045678375
  28. 941192
  29. 1012048064
  30. 804357
  31. 1051871913
  32. 941192
  33. 1124864
  34. 1124864
  35. 1191016
  36. 952763904
  37. 979146657
  38. 804357
  39. 1048772096
  40. 1157625

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