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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 260 · 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. 1.1012³ =
  2. 2.993³ =
  3. 3.91³ =
  4. 4.95³ =
  5. 5.989³ =
  6. 6.97³ =
  7. 7.1014³ =
  8. 8.984³ =
  9. 9.93³ =
  10. 10.105³ =
  11. 11.994³ =
  12. 12.1012³ =
  13. 13.1002³ =
  14. 14.980³ =
  15. 15.93³ =
  16. 16.1007³ =
  17. 17.96³ =
  18. 18.987³ =
  19. 19.99³ =
  20. 20.94³ =
  21. 21.95³ =
  22. 22.983³ =
  23. 23.1020³ =
  24. 24.1011³ =
  25. 25.93³ =
  26. 26.1011³ =
  27. 27.98³ =
  28. 28.105³ =
  29. 29.1013³ =
  30. 30.99³ =
  31. 31.1004³ =
  32. 32.994³ =
  33. 33.94³ =
  34. 34.980³ =
  35. 35.1003³ =
  36. 36.998³ =
  37. 37.985³ =
  38. 38.97³ =
  39. 39.995³ =
  40. 40.96³ =

Answer key

  1. 1036433728
  2. 979146657
  3. 753571
  4. 857375
  5. 967361669
  6. 912673
  7. 1042590744
  8. 952763904
  9. 804357
  10. 1157625
  11. 982107784
  12. 1036433728
  13. 1006012008
  14. 941192000
  15. 804357
  16. 1021147343
  17. 884736
  18. 961504803
  19. 970299
  20. 830584
  21. 857375
  22. 949862087
  23. 1061208000
  24. 1033364331
  25. 804357
  26. 1033364331
  27. 941192
  28. 1157625
  29. 1039509197
  30. 970299
  31. 1012048064
  32. 982107784
  33. 830584
  34. 941192000
  35. 1009027027
  36. 994011992
  37. 955671625
  38. 912673
  39. 985074875
  40. 884736

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