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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 215 · 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. 1.107³ =
  2. 2.1019³ =
  3. 3.1001³ =
  4. 4.109³ =
  5. 5.99³ =
  6. 6.987³ =
  7. 7.995³ =
  8. 8.93³ =
  9. 9.996³ =
  10. 10.107³ =
  11. 11.984³ =
  12. 12.990³ =
  13. 13.97³ =
  14. 14.92³ =
  15. 15.997³ =
  16. 16.99³ =
  17. 17.105³ =
  18. 18.108³ =
  19. 19.99³ =
  20. 20.106³ =
  21. 21.995³ =
  22. 22.1003³ =
  23. 23.98³ =
  24. 24.1008³ =
  25. 25.98³ =
  26. 26.1016³ =
  27. 27.91³ =
  28. 28.1005³ =
  29. 29.98³ =
  30. 30.1002³ =
  31. 31.984³ =
  32. 32.998³ =
  33. 33.94³ =
  34. 34.99³ =
  35. 35.105³ =
  36. 36.97³ =
  37. 37.106³ =
  38. 38.980³ =
  39. 39.987³ =
  40. 40.1010³ =

Answer key

  1. 1225043
  2. 1058089859
  3. 1003003001
  4. 1295029
  5. 970299
  6. 961504803
  7. 985074875
  8. 804357
  9. 988047936
  10. 1225043
  11. 952763904
  12. 970299000
  13. 912673
  14. 778688
  15. 991026973
  16. 970299
  17. 1157625
  18. 1259712
  19. 970299
  20. 1191016
  21. 985074875
  22. 1009027027
  23. 941192
  24. 1024192512
  25. 941192
  26. 1048772096
  27. 753571
  28. 1015075125
  29. 941192
  30. 1006012008
  31. 952763904
  32. 994011992
  33. 830584
  34. 970299
  35. 1157625
  36. 912673
  37. 1191016
  38. 941192000
  39. 961504803
  40. 1030301000

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