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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 413 · 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. 1.990³ =
  2. 2.1016³ =
  3. 3.1020³ =
  4. 4.104³ =
  5. 5.989³ =
  6. 6.108³ =
  7. 7.105³ =
  8. 8.95³ =
  9. 9.999³ =
  10. 10.991³ =
  11. 11.97³ =
  12. 12.998³ =
  13. 13.982³ =
  14. 14.1007³ =
  15. 15.990³ =
  16. 16.994³ =
  17. 17.980³ =
  18. 18.1003³ =
  19. 19.1006³ =
  20. 20.104³ =
  21. 21.1007³ =
  22. 22.91³ =
  23. 23.984³ =
  24. 24.998³ =
  25. 25.1003³ =
  26. 26.985³ =
  27. 27.99³ =
  28. 28.1013³ =
  29. 29.1019³ =
  30. 30.1009³ =
  31. 31.91³ =
  32. 32.97³ =
  33. 33.91³ =
  34. 34.105³ =
  35. 35.988³ =
  36. 36.101³ =
  37. 37.1003³ =
  38. 38.93³ =
  39. 39.994³ =
  40. 40.1018³ =

Answer key

  1. 970299000
  2. 1048772096
  3. 1061208000
  4. 1124864
  5. 967361669
  6. 1259712
  7. 1157625
  8. 857375
  9. 997002999
  10. 973242271
  11. 912673
  12. 994011992
  13. 946966168
  14. 1021147343
  15. 970299000
  16. 982107784
  17. 941192000
  18. 1009027027
  19. 1018108216
  20. 1124864
  21. 1021147343
  22. 753571
  23. 952763904
  24. 994011992
  25. 1009027027
  26. 955671625
  27. 970299
  28. 1039509197
  29. 1058089859
  30. 1027243729
  31. 753571
  32. 912673
  33. 753571
  34. 1157625
  35. 964430272
  36. 1030301
  37. 1009027027
  38. 804357
  39. 982107784
  40. 1054977832

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