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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 833 · 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. 1.984³ =
  2. 2.93³ =
  3. 3.996³ =
  4. 4.1007³ =
  5. 5.1004³ =
  6. 6.93³ =
  7. 7.1002³ =
  8. 8.1016³ =
  9. 9.988³ =
  10. 10.95³ =
  11. 11.985³ =
  12. 12.103³ =
  13. 13.999³ =
  14. 14.988³ =
  15. 15.996³ =
  16. 16.105³ =
  17. 17.101³ =
  18. 18.106³ =
  19. 19.1010³ =
  20. 20.1004³ =
  21. 21.107³ =
  22. 22.94³ =
  23. 23.1008³ =
  24. 24.95³ =
  25. 25.1014³ =
  26. 26.987³ =
  27. 27.1013³ =
  28. 28.1020³ =
  29. 29.108³ =
  30. 30.104³ =
  31. 31.91³ =
  32. 32.108³ =
  33. 33.105³ =
  34. 34.97³ =
  35. 35.991³ =
  36. 36.102³ =
  37. 37.91³ =
  38. 38.101³ =
  39. 39.99³ =
  40. 40.94³ =

Answer key

  1. 952763904
  2. 804357
  3. 988047936
  4. 1021147343
  5. 1012048064
  6. 804357
  7. 1006012008
  8. 1048772096
  9. 964430272
  10. 857375
  11. 955671625
  12. 1092727
  13. 997002999
  14. 964430272
  15. 988047936
  16. 1157625
  17. 1030301
  18. 1191016
  19. 1030301000
  20. 1012048064
  21. 1225043
  22. 830584
  23. 1024192512
  24. 857375
  25. 1042590744
  26. 961504803
  27. 1039509197
  28. 1061208000
  29. 1259712
  30. 1124864
  31. 753571
  32. 1259712
  33. 1157625
  34. 912673
  35. 973242271
  36. 1061208
  37. 753571
  38. 1030301
  39. 970299
  40. 830584

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