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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 934 · 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. 1.1003³ =
  2. 2.107³ =
  3. 3.987³ =
  4. 4.95³ =
  5. 5.109³ =
  6. 6.97³ =
  7. 7.1012³ =
  8. 8.104³ =
  9. 9.106³ =
  10. 10.103³ =
  11. 11.105³ =
  12. 12.989³ =
  13. 13.107³ =
  14. 14.94³ =
  15. 15.1016³ =
  16. 16.109³ =
  17. 17.1014³ =
  18. 18.107³ =
  19. 19.995³ =
  20. 20.1011³ =
  21. 21.97³ =
  22. 22.99³ =
  23. 23.104³ =
  24. 24.106³ =
  25. 25.93³ =
  26. 26.94³ =
  27. 27.93³ =
  28. 28.102³ =
  29. 29.92³ =
  30. 30.103³ =
  31. 31.95³ =
  32. 32.107³ =
  33. 33.92³ =
  34. 34.108³ =
  35. 35.91³ =
  36. 36.91³ =
  37. 37.997³ =
  38. 38.990³ =
  39. 39.99³ =
  40. 40.103³ =

Answer key

  1. 1009027027
  2. 1225043
  3. 961504803
  4. 857375
  5. 1295029
  6. 912673
  7. 1036433728
  8. 1124864
  9. 1191016
  10. 1092727
  11. 1157625
  12. 967361669
  13. 1225043
  14. 830584
  15. 1048772096
  16. 1295029
  17. 1042590744
  18. 1225043
  19. 985074875
  20. 1033364331
  21. 912673
  22. 970299
  23. 1124864
  24. 1191016
  25. 804357
  26. 830584
  27. 804357
  28. 1061208
  29. 778688
  30. 1092727
  31. 857375
  32. 1225043
  33. 778688
  34. 1259712
  35. 753571
  36. 753571
  37. 991026973
  38. 970299000
  39. 970299
  40. 1092727

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