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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 548 · 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. 1.997³ =
  2. 2.99³ =
  3. 3.995³ =
  4. 4.98³ =
  5. 5.97³ =
  6. 6.101³ =
  7. 7.104³ =
  8. 8.1016³ =
  9. 9.997³ =
  10. 10.92³ =
  11. 11.986³ =
  12. 12.103³ =
  13. 13.97³ =
  14. 14.999³ =
  15. 15.105³ =
  16. 16.91³ =
  17. 17.99³ =
  18. 18.1002³ =
  19. 19.1013³ =
  20. 20.980³ =
  21. 21.993³ =
  22. 22.99³ =
  23. 23.93³ =
  24. 24.101³ =
  25. 25.109³ =
  26. 26.94³ =
  27. 27.94³ =
  28. 28.91³ =
  29. 29.994³ =
  30. 30.104³ =
  31. 31.988³ =
  32. 32.996³ =
  33. 33.92³ =
  34. 34.96³ =
  35. 35.982³ =
  36. 36.91³ =
  37. 37.999³ =
  38. 38.1002³ =
  39. 39.109³ =
  40. 40.103³ =

Answer key

  1. 991026973
  2. 970299
  3. 985074875
  4. 941192
  5. 912673
  6. 1030301
  7. 1124864
  8. 1048772096
  9. 991026973
  10. 778688
  11. 958585256
  12. 1092727
  13. 912673
  14. 997002999
  15. 1157625
  16. 753571
  17. 970299
  18. 1006012008
  19. 1039509197
  20. 941192000
  21. 979146657
  22. 970299
  23. 804357
  24. 1030301
  25. 1295029
  26. 830584
  27. 830584
  28. 753571
  29. 982107784
  30. 1124864
  31. 964430272
  32. 988047936
  33. 778688
  34. 884736
  35. 946966168
  36. 753571
  37. 997002999
  38. 1006012008
  39. 1295029
  40. 1092727

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