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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 866 · 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. 1.1004³ =
  2. 2.988³ =
  3. 3.107³ =
  4. 4.105³ =
  5. 5.109³ =
  6. 6.92³ =
  7. 7.106³ =
  8. 8.96³ =
  9. 9.1006³ =
  10. 10.1003³ =
  11. 11.109³ =
  12. 12.1005³ =
  13. 13.99³ =
  14. 14.999³ =
  15. 15.1016³ =
  16. 16.981³ =
  17. 17.101³ =
  18. 18.92³ =
  19. 19.1006³ =
  20. 20.108³ =
  21. 21.104³ =
  22. 22.98³ =
  23. 23.980³ =
  24. 24.998³ =
  25. 25.994³ =
  26. 26.98³ =
  27. 27.997³ =
  28. 28.92³ =
  29. 29.108³ =
  30. 30.1006³ =
  31. 31.1002³ =
  32. 32.98³ =
  33. 33.91³ =
  34. 34.99³ =
  35. 35.105³ =
  36. 36.93³ =
  37. 37.101³ =
  38. 38.1004³ =
  39. 39.92³ =
  40. 40.94³ =

Answer key

  1. 1012048064
  2. 964430272
  3. 1225043
  4. 1157625
  5. 1295029
  6. 778688
  7. 1191016
  8. 884736
  9. 1018108216
  10. 1009027027
  11. 1295029
  12. 1015075125
  13. 970299
  14. 997002999
  15. 1048772096
  16. 944076141
  17. 1030301
  18. 778688
  19. 1018108216
  20. 1259712
  21. 1124864
  22. 941192
  23. 941192000
  24. 994011992
  25. 982107784
  26. 941192
  27. 991026973
  28. 778688
  29. 1259712
  30. 1018108216
  31. 1006012008
  32. 941192
  33. 753571
  34. 970299
  35. 1157625
  36. 804357
  37. 1030301
  38. 1012048064
  39. 778688
  40. 830584

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