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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 816 · 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. 1.102³ =
  2. 2.91³ =
  3. 3.98³ =
  4. 4.982³ =
  5. 5.983³ =
  6. 6.91³ =
  7. 7.108³ =
  8. 8.102³ =
  9. 9.1003³ =
  10. 10.984³ =
  11. 11.102³ =
  12. 12.1013³ =
  13. 13.999³ =
  14. 14.1019³ =
  15. 15.96³ =
  16. 16.102³ =
  17. 17.990³ =
  18. 18.1004³ =
  19. 19.1016³ =
  20. 20.1006³ =
  21. 21.97³ =
  22. 22.990³ =
  23. 23.983³ =
  24. 24.105³ =
  25. 25.101³ =
  26. 26.980³ =
  27. 27.108³ =
  28. 28.91³ =
  29. 29.96³ =
  30. 30.1007³ =
  31. 31.91³ =
  32. 32.1002³ =
  33. 33.1020³ =
  34. 34.980³ =
  35. 35.995³ =
  36. 36.94³ =
  37. 37.987³ =
  38. 38.98³ =
  39. 39.94³ =
  40. 40.94³ =

Answer key

  1. 1061208
  2. 753571
  3. 941192
  4. 946966168
  5. 949862087
  6. 753571
  7. 1259712
  8. 1061208
  9. 1009027027
  10. 952763904
  11. 1061208
  12. 1039509197
  13. 997002999
  14. 1058089859
  15. 884736
  16. 1061208
  17. 970299000
  18. 1012048064
  19. 1048772096
  20. 1018108216
  21. 912673
  22. 970299000
  23. 949862087
  24. 1157625
  25. 1030301
  26. 941192000
  27. 1259712
  28. 753571
  29. 884736
  30. 1021147343
  31. 753571
  32. 1006012008
  33. 1061208000
  34. 941192000
  35. 985074875
  36. 830584
  37. 961504803
  38. 941192
  39. 830584
  40. 830584

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