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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 214 · 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. 2.98³ =
  3. 3.103³ =
  4. 4.108³ =
  5. 5.1007³ =
  6. 6.980³ =
  7. 7.92³ =
  8. 8.981³ =
  9. 9.98³ =
  10. 10.1017³ =
  11. 11.998³ =
  12. 12.101³ =
  13. 13.987³ =
  14. 14.993³ =
  15. 15.986³ =
  16. 16.94³ =
  17. 17.1006³ =
  18. 18.997³ =
  19. 19.105³ =
  20. 20.95³ =
  21. 21.1011³ =
  22. 22.995³ =
  23. 23.108³ =
  24. 24.94³ =
  25. 25.980³ =
  26. 26.1002³ =
  27. 27.105³ =
  28. 28.105³ =
  29. 29.999³ =
  30. 30.107³ =
  31. 31.1008³ =
  32. 32.991³ =
  33. 33.97³ =
  34. 34.109³ =
  35. 35.93³ =
  36. 36.108³ =
  37. 37.1003³ =
  38. 38.107³ =
  39. 39.990³ =
  40. 40.1018³ =

Answer key

  1. 1030301
  2. 941192
  3. 1092727
  4. 1259712
  5. 1021147343
  6. 941192000
  7. 778688
  8. 944076141
  9. 941192
  10. 1051871913
  11. 994011992
  12. 1030301
  13. 961504803
  14. 979146657
  15. 958585256
  16. 830584
  17. 1018108216
  18. 991026973
  19. 1157625
  20. 857375
  21. 1033364331
  22. 985074875
  23. 1259712
  24. 830584
  25. 941192000
  26. 1006012008
  27. 1157625
  28. 1157625
  29. 997002999
  30. 1225043
  31. 1024192512
  32. 973242271
  33. 912673
  34. 1295029
  35. 804357
  36. 1259712
  37. 1009027027
  38. 1225043
  39. 970299000
  40. 1054977832

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