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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 351 · 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. 1.97³ =
  2. 2.95³ =
  3. 3.1012³ =
  4. 4.105³ =
  5. 5.94³ =
  6. 6.1018³ =
  7. 7.1016³ =
  8. 8.997³ =
  9. 9.97³ =
  10. 10.994³ =
  11. 11.993³ =
  12. 12.102³ =
  13. 13.99³ =
  14. 14.1013³ =
  15. 15.990³ =
  16. 16.1018³ =
  17. 17.996³ =
  18. 18.985³ =
  19. 19.95³ =
  20. 20.1009³ =
  21. 21.991³ =
  22. 22.95³ =
  23. 23.985³ =
  24. 24.980³ =
  25. 25.96³ =
  26. 26.91³ =
  27. 27.1017³ =
  28. 28.1008³ =
  29. 29.109³ =
  30. 30.1013³ =
  31. 31.102³ =
  32. 32.101³ =
  33. 33.99³ =
  34. 34.988³ =
  35. 35.102³ =
  36. 36.102³ =
  37. 37.1003³ =
  38. 38.104³ =
  39. 39.98³ =
  40. 40.91³ =

Answer key

  1. 912673
  2. 857375
  3. 1036433728
  4. 1157625
  5. 830584
  6. 1054977832
  7. 1048772096
  8. 991026973
  9. 912673
  10. 982107784
  11. 979146657
  12. 1061208
  13. 970299
  14. 1039509197
  15. 970299000
  16. 1054977832
  17. 988047936
  18. 955671625
  19. 857375
  20. 1027243729
  21. 973242271
  22. 857375
  23. 955671625
  24. 941192000
  25. 884736
  26. 753571
  27. 1051871913
  28. 1024192512
  29. 1295029
  30. 1039509197
  31. 1061208
  32. 1030301
  33. 970299
  34. 964430272
  35. 1061208
  36. 1061208
  37. 1009027027
  38. 1124864
  39. 941192
  40. 753571

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