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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 653 · 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. 1.997³ =
  2. 2.91³ =
  3. 3.109³ =
  4. 4.99³ =
  5. 5.1001³ =
  6. 6.107³ =
  7. 7.1004³ =
  8. 8.986³ =
  9. 9.1016³ =
  10. 10.1004³ =
  11. 11.999³ =
  12. 12.97³ =
  13. 13.94³ =
  14. 14.95³ =
  15. 15.1003³ =
  16. 16.1009³ =
  17. 17.93³ =
  18. 18.994³ =
  19. 19.995³ =
  20. 20.105³ =
  21. 21.1008³ =
  22. 22.99³ =
  23. 23.1002³ =
  24. 24.103³ =
  25. 25.105³ =
  26. 26.93³ =
  27. 27.1015³ =
  28. 28.987³ =
  29. 29.106³ =
  30. 30.99³ =
  31. 31.1012³ =
  32. 32.92³ =
  33. 33.985³ =
  34. 34.92³ =
  35. 35.96³ =
  36. 36.92³ =
  37. 37.103³ =
  38. 38.108³ =
  39. 39.986³ =
  40. 40.1009³ =

Answer key

  1. 991026973
  2. 753571
  3. 1295029
  4. 970299
  5. 1003003001
  6. 1225043
  7. 1012048064
  8. 958585256
  9. 1048772096
  10. 1012048064
  11. 997002999
  12. 912673
  13. 830584
  14. 857375
  15. 1009027027
  16. 1027243729
  17. 804357
  18. 982107784
  19. 985074875
  20. 1157625
  21. 1024192512
  22. 970299
  23. 1006012008
  24. 1092727
  25. 1157625
  26. 804357
  27. 1045678375
  28. 961504803
  29. 1191016
  30. 970299
  31. 1036433728
  32. 778688
  33. 955671625
  34. 778688
  35. 884736
  36. 778688
  37. 1092727
  38. 1259712
  39. 958585256
  40. 1027243729

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