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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 339 · 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. 1.104³ =
  2. 2.103³ =
  3. 3.1013³ =
  4. 4.998³ =
  5. 5.92³ =
  6. 6.95³ =
  7. 7.104³ =
  8. 8.95³ =
  9. 9.1012³ =
  10. 10.1018³ =
  11. 11.987³ =
  12. 12.1004³ =
  13. 13.92³ =
  14. 14.984³ =
  15. 15.981³ =
  16. 16.96³ =
  17. 17.97³ =
  18. 18.98³ =
  19. 19.102³ =
  20. 20.103³ =
  21. 21.1008³ =
  22. 22.980³ =
  23. 23.96³ =
  24. 24.91³ =
  25. 25.108³ =
  26. 26.1005³ =
  27. 27.989³ =
  28. 28.995³ =
  29. 29.93³ =
  30. 30.106³ =
  31. 31.105³ =
  32. 32.1008³ =
  33. 33.97³ =
  34. 34.103³ =
  35. 35.106³ =
  36. 36.91³ =
  37. 37.103³ =
  38. 38.989³ =
  39. 39.1017³ =
  40. 40.985³ =

Answer key

  1. 1124864
  2. 1092727
  3. 1039509197
  4. 994011992
  5. 778688
  6. 857375
  7. 1124864
  8. 857375
  9. 1036433728
  10. 1054977832
  11. 961504803
  12. 1012048064
  13. 778688
  14. 952763904
  15. 944076141
  16. 884736
  17. 912673
  18. 941192
  19. 1061208
  20. 1092727
  21. 1024192512
  22. 941192000
  23. 884736
  24. 753571
  25. 1259712
  26. 1015075125
  27. 967361669
  28. 985074875
  29. 804357
  30. 1191016
  31. 1157625
  32. 1024192512
  33. 912673
  34. 1092727
  35. 1191016
  36. 753571
  37. 1092727
  38. 967361669
  39. 1051871913
  40. 955671625

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