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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 585 · 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. 1.996³ =
  2. 2.99³ =
  3. 3.981³ =
  4. 4.96³ =
  5. 5.1015³ =
  6. 6.109³ =
  7. 7.1015³ =
  8. 8.1018³ =
  9. 9.107³ =
  10. 10.96³ =
  11. 11.1006³ =
  12. 12.104³ =
  13. 13.995³ =
  14. 14.93³ =
  15. 15.1003³ =
  16. 16.1012³ =
  17. 17.106³ =
  18. 18.99³ =
  19. 19.92³ =
  20. 20.1003³ =
  21. 21.1012³ =
  22. 22.91³ =
  23. 23.983³ =
  24. 24.101³ =
  25. 25.109³ =
  26. 26.92³ =
  27. 27.1009³ =
  28. 28.989³ =
  29. 29.103³ =
  30. 30.998³ =
  31. 31.104³ =
  32. 32.95³ =
  33. 33.999³ =
  34. 34.990³ =
  35. 35.99³ =
  36. 36.91³ =
  37. 37.1014³ =
  38. 38.984³ =
  39. 39.96³ =
  40. 40.1012³ =

Answer key

  1. 988047936
  2. 970299
  3. 944076141
  4. 884736
  5. 1045678375
  6. 1295029
  7. 1045678375
  8. 1054977832
  9. 1225043
  10. 884736
  11. 1018108216
  12. 1124864
  13. 985074875
  14. 804357
  15. 1009027027
  16. 1036433728
  17. 1191016
  18. 970299
  19. 778688
  20. 1009027027
  21. 1036433728
  22. 753571
  23. 949862087
  24. 1030301
  25. 1295029
  26. 778688
  27. 1027243729
  28. 967361669
  29. 1092727
  30. 994011992
  31. 1124864
  32. 857375
  33. 997002999
  34. 970299000
  35. 970299
  36. 753571
  37. 1042590744
  38. 952763904
  39. 884736
  40. 1036433728

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