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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 30 · 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. 1.1004³ =
  2. 2.997³ =
  3. 3.981³ =
  4. 4.988³ =
  5. 5.107³ =
  6. 6.1010³ =
  7. 7.106³ =
  8. 8.93³ =
  9. 9.99³ =
  10. 10.105³ =
  11. 11.97³ =
  12. 12.99³ =
  13. 13.104³ =
  14. 14.95³ =
  15. 15.101³ =
  16. 16.107³ =
  17. 17.101³ =
  18. 18.97³ =
  19. 19.107³ =
  20. 20.108³ =
  21. 21.101³ =
  22. 22.1019³ =
  23. 23.105³ =
  24. 24.103³ =
  25. 25.981³ =
  26. 26.101³ =
  27. 27.105³ =
  28. 28.995³ =
  29. 29.991³ =
  30. 30.94³ =
  31. 31.93³ =
  32. 32.93³ =
  33. 33.91³ =
  34. 34.987³ =
  35. 35.105³ =
  36. 36.91³ =
  37. 37.998³ =
  38. 38.991³ =
  39. 39.1019³ =
  40. 40.996³ =

Answer key

  1. 1012048064
  2. 991026973
  3. 944076141
  4. 964430272
  5. 1225043
  6. 1030301000
  7. 1191016
  8. 804357
  9. 970299
  10. 1157625
  11. 912673
  12. 970299
  13. 1124864
  14. 857375
  15. 1030301
  16. 1225043
  17. 1030301
  18. 912673
  19. 1225043
  20. 1259712
  21. 1030301
  22. 1058089859
  23. 1157625
  24. 1092727
  25. 944076141
  26. 1030301
  27. 1157625
  28. 985074875
  29. 973242271
  30. 830584
  31. 804357
  32. 804357
  33. 753571
  34. 961504803
  35. 1157625
  36. 753571
  37. 994011992
  38. 973242271
  39. 1058089859
  40. 988047936

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