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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 651 · 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. 1.1006³ =
  2. 2.980³ =
  3. 3.1009³ =
  4. 4.991³ =
  5. 5.97³ =
  6. 6.103³ =
  7. 7.1014³ =
  8. 8.104³ =
  9. 9.97³ =
  10. 10.998³ =
  11. 11.998³ =
  12. 12.994³ =
  13. 13.999³ =
  14. 14.1004³ =
  15. 15.1015³ =
  16. 16.91³ =
  17. 17.1002³ =
  18. 18.104³ =
  19. 19.995³ =
  20. 20.1003³ =
  21. 21.104³ =
  22. 22.1002³ =
  23. 23.98³ =
  24. 24.983³ =
  25. 25.91³ =
  26. 26.91³ =
  27. 27.98³ =
  28. 28.997³ =
  29. 29.105³ =
  30. 30.104³ =
  31. 31.97³ =
  32. 32.983³ =
  33. 33.97³ =
  34. 34.1005³ =
  35. 35.91³ =
  36. 36.104³ =
  37. 37.999³ =
  38. 38.1014³ =
  39. 39.995³ =
  40. 40.982³ =

Answer key

  1. 1018108216
  2. 941192000
  3. 1027243729
  4. 973242271
  5. 912673
  6. 1092727
  7. 1042590744
  8. 1124864
  9. 912673
  10. 994011992
  11. 994011992
  12. 982107784
  13. 997002999
  14. 1012048064
  15. 1045678375
  16. 753571
  17. 1006012008
  18. 1124864
  19. 985074875
  20. 1009027027
  21. 1124864
  22. 1006012008
  23. 941192
  24. 949862087
  25. 753571
  26. 753571
  27. 941192
  28. 991026973
  29. 1157625
  30. 1124864
  31. 912673
  32. 949862087
  33. 912673
  34. 1015075125
  35. 753571
  36. 1124864
  37. 997002999
  38. 1042590744
  39. 985074875
  40. 946966168

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