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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 265 · 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. 1.993³ =
  2. 2.107³ =
  3. 3.987³ =
  4. 4.106³ =
  5. 5.95³ =
  6. 6.91³ =
  7. 7.1016³ =
  8. 8.108³ =
  9. 9.980³ =
  10. 10.103³ =
  11. 11.1008³ =
  12. 12.97³ =
  13. 13.91³ =
  14. 14.1002³ =
  15. 15.99³ =
  16. 16.101³ =
  17. 17.109³ =
  18. 18.109³ =
  19. 19.1004³ =
  20. 20.99³ =
  21. 21.997³ =
  22. 22.988³ =
  23. 23.91³ =
  24. 24.107³ =
  25. 25.97³ =
  26. 26.992³ =
  27. 27.94³ =
  28. 28.1003³ =
  29. 29.92³ =
  30. 30.985³ =
  31. 31.1014³ =
  32. 32.1007³ =
  33. 33.98³ =
  34. 34.988³ =
  35. 35.97³ =
  36. 36.95³ =
  37. 37.1005³ =
  38. 38.995³ =
  39. 39.105³ =
  40. 40.980³ =

Answer key

  1. 979146657
  2. 1225043
  3. 961504803
  4. 1191016
  5. 857375
  6. 753571
  7. 1048772096
  8. 1259712
  9. 941192000
  10. 1092727
  11. 1024192512
  12. 912673
  13. 753571
  14. 1006012008
  15. 970299
  16. 1030301
  17. 1295029
  18. 1295029
  19. 1012048064
  20. 970299
  21. 991026973
  22. 964430272
  23. 753571
  24. 1225043
  25. 912673
  26. 976191488
  27. 830584
  28. 1009027027
  29. 778688
  30. 955671625
  31. 1042590744
  32. 1021147343
  33. 941192
  34. 964430272
  35. 912673
  36. 857375
  37. 1015075125
  38. 985074875
  39. 1157625
  40. 941192000

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