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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 708 · 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. 1.995³ =
  2. 2.92³ =
  3. 3.981³ =
  4. 4.99³ =
  5. 5.1018³ =
  6. 6.980³ =
  7. 7.1009³ =
  8. 8.980³ =
  9. 9.1014³ =
  10. 10.107³ =
  11. 11.107³ =
  12. 12.1008³ =
  13. 13.102³ =
  14. 14.980³ =
  15. 15.1008³ =
  16. 16.94³ =
  17. 17.1002³ =
  18. 18.997³ =
  19. 19.94³ =
  20. 20.997³ =
  21. 21.1009³ =
  22. 22.981³ =
  23. 23.105³ =
  24. 24.1005³ =
  25. 25.996³ =
  26. 26.981³ =
  27. 27.106³ =
  28. 28.1003³ =
  29. 29.1017³ =
  30. 30.108³ =
  31. 31.1002³ =
  32. 32.998³ =
  33. 33.992³ =
  34. 34.95³ =
  35. 35.981³ =
  36. 36.1020³ =
  37. 37.93³ =
  38. 38.1006³ =
  39. 39.91³ =
  40. 40.91³ =

Answer key

  1. 985074875
  2. 778688
  3. 944076141
  4. 970299
  5. 1054977832
  6. 941192000
  7. 1027243729
  8. 941192000
  9. 1042590744
  10. 1225043
  11. 1225043
  12. 1024192512
  13. 1061208
  14. 941192000
  15. 1024192512
  16. 830584
  17. 1006012008
  18. 991026973
  19. 830584
  20. 991026973
  21. 1027243729
  22. 944076141
  23. 1157625
  24. 1015075125
  25. 988047936
  26. 944076141
  27. 1191016
  28. 1009027027
  29. 1051871913
  30. 1259712
  31. 1006012008
  32. 994011992
  33. 976191488
  34. 857375
  35. 944076141
  36. 1061208000
  37. 804357
  38. 1018108216
  39. 753571
  40. 753571

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