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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 786 · 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. 2.94³ =
  3. 3.1014³ =
  4. 4.97³ =
  5. 5.105³ =
  6. 6.1017³ =
  7. 7.1002³ =
  8. 8.95³ =
  9. 9.108³ =
  10. 10.96³ =
  11. 11.1017³ =
  12. 12.983³ =
  13. 13.1004³ =
  14. 14.91³ =
  15. 15.97³ =
  16. 16.105³ =
  17. 17.981³ =
  18. 18.1015³ =
  19. 19.106³ =
  20. 20.99³ =
  21. 21.105³ =
  22. 22.1014³ =
  23. 23.103³ =
  24. 24.982³ =
  25. 25.983³ =
  26. 26.92³ =
  27. 27.980³ =
  28. 28.105³ =
  29. 29.109³ =
  30. 30.102³ =
  31. 31.999³ =
  32. 32.103³ =
  33. 33.996³ =
  34. 34.107³ =
  35. 35.93³ =
  36. 36.1009³ =
  37. 37.984³ =
  38. 38.1018³ =
  39. 39.983³ =
  40. 40.982³ =

Answer key

  1. 985074875
  2. 830584
  3. 1042590744
  4. 912673
  5. 1157625
  6. 1051871913
  7. 1006012008
  8. 857375
  9. 1259712
  10. 884736
  11. 1051871913
  12. 949862087
  13. 1012048064
  14. 753571
  15. 912673
  16. 1157625
  17. 944076141
  18. 1045678375
  19. 1191016
  20. 970299
  21. 1157625
  22. 1042590744
  23. 1092727
  24. 946966168
  25. 949862087
  26. 778688
  27. 941192000
  28. 1157625
  29. 1295029
  30. 1061208
  31. 997002999
  32. 1092727
  33. 988047936
  34. 1225043
  35. 804357
  36. 1027243729
  37. 952763904
  38. 1054977832
  39. 949862087
  40. 946966168

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