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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 984 · 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. 1.94³ =
  2. 2.99³ =
  3. 3.94³ =
  4. 4.94³ =
  5. 5.108³ =
  6. 6.98³ =
  7. 7.103³ =
  8. 8.987³ =
  9. 9.101³ =
  10. 10.97³ =
  11. 11.1012³ =
  12. 12.92³ =
  13. 13.97³ =
  14. 14.995³ =
  15. 15.96³ =
  16. 16.94³ =
  17. 17.1002³ =
  18. 18.104³ =
  19. 19.101³ =
  20. 20.107³ =
  21. 21.93³ =
  22. 22.91³ =
  23. 23.94³ =
  24. 24.91³ =
  25. 25.103³ =
  26. 26.94³ =
  27. 27.93³ =
  28. 28.94³ =
  29. 29.96³ =
  30. 30.997³ =
  31. 31.93³ =
  32. 32.96³ =
  33. 33.93³ =
  34. 34.107³ =
  35. 35.980³ =
  36. 36.98³ =
  37. 37.98³ =
  38. 38.97³ =
  39. 39.108³ =
  40. 40.1003³ =

Answer key

  1. 830584
  2. 970299
  3. 830584
  4. 830584
  5. 1259712
  6. 941192
  7. 1092727
  8. 961504803
  9. 1030301
  10. 912673
  11. 1036433728
  12. 778688
  13. 912673
  14. 985074875
  15. 884736
  16. 830584
  17. 1006012008
  18. 1124864
  19. 1030301
  20. 1225043
  21. 804357
  22. 753571
  23. 830584
  24. 753571
  25. 1092727
  26. 830584
  27. 804357
  28. 830584
  29. 884736
  30. 991026973
  31. 804357
  32. 884736
  33. 804357
  34. 1225043
  35. 941192000
  36. 941192
  37. 941192
  38. 912673
  39. 1259712
  40. 1009027027

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