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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 675 · 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. 1.982³ =
  2. 2.108³ =
  3. 3.996³ =
  4. 4.993³ =
  5. 5.985³ =
  6. 6.997³ =
  7. 7.91³ =
  8. 8.987³ =
  9. 9.91³ =
  10. 10.992³ =
  11. 11.97³ =
  12. 12.984³ =
  13. 13.109³ =
  14. 14.1016³ =
  15. 15.1017³ =
  16. 16.92³ =
  17. 17.1013³ =
  18. 18.107³ =
  19. 19.1017³ =
  20. 20.97³ =
  21. 21.104³ =
  22. 22.997³ =
  23. 23.1016³ =
  24. 24.91³ =
  25. 25.95³ =
  26. 26.105³ =
  27. 27.1003³ =
  28. 28.103³ =
  29. 29.106³ =
  30. 30.104³ =
  31. 31.1013³ =
  32. 32.994³ =
  33. 33.96³ =
  34. 34.997³ =
  35. 35.983³ =
  36. 36.1002³ =
  37. 37.1014³ =
  38. 38.1004³ =
  39. 39.108³ =
  40. 40.107³ =

Answer key

  1. 946966168
  2. 1259712
  3. 988047936
  4. 979146657
  5. 955671625
  6. 991026973
  7. 753571
  8. 961504803
  9. 753571
  10. 976191488
  11. 912673
  12. 952763904
  13. 1295029
  14. 1048772096
  15. 1051871913
  16. 778688
  17. 1039509197
  18. 1225043
  19. 1051871913
  20. 912673
  21. 1124864
  22. 991026973
  23. 1048772096
  24. 753571
  25. 857375
  26. 1157625
  27. 1009027027
  28. 1092727
  29. 1191016
  30. 1124864
  31. 1039509197
  32. 982107784
  33. 884736
  34. 991026973
  35. 949862087
  36. 1006012008
  37. 1042590744
  38. 1012048064
  39. 1259712
  40. 1225043

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