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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 276 · 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. 1.1009³ =
  2. 2.91³ =
  3. 3.98³ =
  4. 4.1010³ =
  5. 5.103³ =
  6. 6.106³ =
  7. 7.1008³ =
  8. 8.1011³ =
  9. 9.94³ =
  10. 10.109³ =
  11. 11.1003³ =
  12. 12.1006³ =
  13. 13.109³ =
  14. 14.98³ =
  15. 15.91³ =
  16. 16.1004³ =
  17. 17.103³ =
  18. 18.93³ =
  19. 19.987³ =
  20. 20.106³ =
  21. 21.98³ =
  22. 22.1019³ =
  23. 23.982³ =
  24. 24.96³ =
  25. 25.99³ =
  26. 26.995³ =
  27. 27.980³ =
  28. 28.1014³ =
  29. 29.106³ =
  30. 30.996³ =
  31. 31.980³ =
  32. 32.97³ =
  33. 33.104³ =
  34. 34.97³ =
  35. 35.101³ =
  36. 36.101³ =
  37. 37.1010³ =
  38. 38.94³ =
  39. 39.992³ =
  40. 40.92³ =

Answer key

  1. 1027243729
  2. 753571
  3. 941192
  4. 1030301000
  5. 1092727
  6. 1191016
  7. 1024192512
  8. 1033364331
  9. 830584
  10. 1295029
  11. 1009027027
  12. 1018108216
  13. 1295029
  14. 941192
  15. 753571
  16. 1012048064
  17. 1092727
  18. 804357
  19. 961504803
  20. 1191016
  21. 941192
  22. 1058089859
  23. 946966168
  24. 884736
  25. 970299
  26. 985074875
  27. 941192000
  28. 1042590744
  29. 1191016
  30. 988047936
  31. 941192000
  32. 912673
  33. 1124864
  34. 912673
  35. 1030301
  36. 1030301
  37. 1030301000
  38. 830584
  39. 976191488
  40. 778688

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