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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 783 · 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. 1.93³ =
  2. 2.1004³ =
  3. 3.109³ =
  4. 4.990³ =
  5. 5.99³ =
  6. 6.104³ =
  7. 7.996³ =
  8. 8.97³ =
  9. 9.93³ =
  10. 10.96³ =
  11. 11.987³ =
  12. 12.1020³ =
  13. 13.106³ =
  14. 14.1011³ =
  15. 15.95³ =
  16. 16.94³ =
  17. 17.108³ =
  18. 18.91³ =
  19. 19.1004³ =
  20. 20.98³ =
  21. 21.91³ =
  22. 22.104³ =
  23. 23.1003³ =
  24. 24.102³ =
  25. 25.997³ =
  26. 26.1006³ =
  27. 27.93³ =
  28. 28.97³ =
  29. 29.1018³ =
  30. 30.93³ =
  31. 31.95³ =
  32. 32.1008³ =
  33. 33.109³ =
  34. 34.107³ =
  35. 35.94³ =
  36. 36.109³ =
  37. 37.994³ =
  38. 38.983³ =
  39. 39.109³ =
  40. 40.1013³ =

Answer key

  1. 804357
  2. 1012048064
  3. 1295029
  4. 970299000
  5. 970299
  6. 1124864
  7. 988047936
  8. 912673
  9. 804357
  10. 884736
  11. 961504803
  12. 1061208000
  13. 1191016
  14. 1033364331
  15. 857375
  16. 830584
  17. 1259712
  18. 753571
  19. 1012048064
  20. 941192
  21. 753571
  22. 1124864
  23. 1009027027
  24. 1061208
  25. 991026973
  26. 1018108216
  27. 804357
  28. 912673
  29. 1054977832
  30. 804357
  31. 857375
  32. 1024192512
  33. 1295029
  34. 1225043
  35. 830584
  36. 1295029
  37. 982107784
  38. 949862087
  39. 1295029
  40. 1039509197

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