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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 659 · 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. 2.1002³ =
  3. 3.108³ =
  4. 4.1011³ =
  5. 5.101³ =
  6. 6.105³ =
  7. 7.102³ =
  8. 8.1003³ =
  9. 9.109³ =
  10. 10.91³ =
  11. 11.98³ =
  12. 12.987³ =
  13. 13.990³ =
  14. 14.996³ =
  15. 15.987³ =
  16. 16.1012³ =
  17. 17.109³ =
  18. 18.1012³ =
  19. 19.101³ =
  20. 20.94³ =
  21. 21.1015³ =
  22. 22.98³ =
  23. 23.987³ =
  24. 24.92³ =
  25. 25.1001³ =
  26. 26.1005³ =
  27. 27.98³ =
  28. 28.980³ =
  29. 29.109³ =
  30. 30.97³ =
  31. 31.993³ =
  32. 32.1016³ =
  33. 33.104³ =
  34. 34.95³ =
  35. 35.101³ =
  36. 36.991³ =
  37. 37.96³ =
  38. 38.1006³ =
  39. 39.986³ =
  40. 40.1012³ =

Answer key

  1. 1030301
  2. 1006012008
  3. 1259712
  4. 1033364331
  5. 1030301
  6. 1157625
  7. 1061208
  8. 1009027027
  9. 1295029
  10. 753571
  11. 941192
  12. 961504803
  13. 970299000
  14. 988047936
  15. 961504803
  16. 1036433728
  17. 1295029
  18. 1036433728
  19. 1030301
  20. 830584
  21. 1045678375
  22. 941192
  23. 961504803
  24. 778688
  25. 1003003001
  26. 1015075125
  27. 941192
  28. 941192000
  29. 1295029
  30. 912673
  31. 979146657
  32. 1048772096
  33. 1124864
  34. 857375
  35. 1030301
  36. 973242271
  37. 884736
  38. 1018108216
  39. 958585256
  40. 1036433728

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