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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 310 · 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. 1.101³ =
  2. 2.997³ =
  3. 3.1008³ =
  4. 4.97³ =
  5. 5.997³ =
  6. 6.95³ =
  7. 7.107³ =
  8. 8.91³ =
  9. 9.102³ =
  10. 10.97³ =
  11. 11.94³ =
  12. 12.99³ =
  13. 13.1003³ =
  14. 14.105³ =
  15. 15.995³ =
  16. 16.93³ =
  17. 17.1004³ =
  18. 18.1014³ =
  19. 19.98³ =
  20. 20.93³ =
  21. 21.105³ =
  22. 22.986³ =
  23. 23.982³ =
  24. 24.102³ =
  25. 25.98³ =
  26. 26.1006³ =
  27. 27.105³ =
  28. 28.91³ =
  29. 29.1002³ =
  30. 30.1012³ =
  31. 31.98³ =
  32. 32.96³ =
  33. 33.997³ =
  34. 34.989³ =
  35. 35.1019³ =
  36. 36.101³ =
  37. 37.92³ =
  38. 38.986³ =
  39. 39.93³ =
  40. 40.1007³ =

Answer key

  1. 1030301
  2. 991026973
  3. 1024192512
  4. 912673
  5. 991026973
  6. 857375
  7. 1225043
  8. 753571
  9. 1061208
  10. 912673
  11. 830584
  12. 970299
  13. 1009027027
  14. 1157625
  15. 985074875
  16. 804357
  17. 1012048064
  18. 1042590744
  19. 941192
  20. 804357
  21. 1157625
  22. 958585256
  23. 946966168
  24. 1061208
  25. 941192
  26. 1018108216
  27. 1157625
  28. 753571
  29. 1006012008
  30. 1036433728
  31. 941192
  32. 884736
  33. 991026973
  34. 967361669
  35. 1058089859
  36. 1030301
  37. 778688
  38. 958585256
  39. 804357
  40. 1021147343

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