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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 714 · 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. 1.95³ =
  2. 2.93³ =
  3. 3.991³ =
  4. 4.987³ =
  5. 5.103³ =
  6. 6.1004³ =
  7. 7.105³ =
  8. 8.105³ =
  9. 9.999³ =
  10. 10.995³ =
  11. 11.106³ =
  12. 12.996³ =
  13. 13.1009³ =
  14. 14.1013³ =
  15. 15.104³ =
  16. 16.99³ =
  17. 17.99³ =
  18. 18.91³ =
  19. 19.1007³ =
  20. 20.95³ =
  21. 21.109³ =
  22. 22.1005³ =
  23. 23.1005³ =
  24. 24.990³ =
  25. 25.101³ =
  26. 26.994³ =
  27. 27.987³ =
  28. 28.107³ =
  29. 29.987³ =
  30. 30.96³ =
  31. 31.97³ =
  32. 32.104³ =
  33. 33.107³ =
  34. 34.997³ =
  35. 35.95³ =
  36. 36.986³ =
  37. 37.96³ =
  38. 38.96³ =
  39. 39.999³ =
  40. 40.91³ =

Answer key

  1. 857375
  2. 804357
  3. 973242271
  4. 961504803
  5. 1092727
  6. 1012048064
  7. 1157625
  8. 1157625
  9. 997002999
  10. 985074875
  11. 1191016
  12. 988047936
  13. 1027243729
  14. 1039509197
  15. 1124864
  16. 970299
  17. 970299
  18. 753571
  19. 1021147343
  20. 857375
  21. 1295029
  22. 1015075125
  23. 1015075125
  24. 970299000
  25. 1030301
  26. 982107784
  27. 961504803
  28. 1225043
  29. 961504803
  30. 884736
  31. 912673
  32. 1124864
  33. 1225043
  34. 991026973
  35. 857375
  36. 958585256
  37. 884736
  38. 884736
  39. 997002999
  40. 753571

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