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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 223 · 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. 1.97³ =
  2. 2.995³ =
  3. 3.99³ =
  4. 4.98³ =
  5. 5.989³ =
  6. 6.1018³ =
  7. 7.1016³ =
  8. 8.1006³ =
  9. 9.981³ =
  10. 10.101³ =
  11. 11.97³ =
  12. 12.998³ =
  13. 13.105³ =
  14. 14.103³ =
  15. 15.102³ =
  16. 16.1005³ =
  17. 17.1009³ =
  18. 18.97³ =
  19. 19.1005³ =
  20. 20.103³ =
  21. 21.91³ =
  22. 22.1011³ =
  23. 23.1007³ =
  24. 24.1005³ =
  25. 25.103³ =
  26. 26.99³ =
  27. 27.91³ =
  28. 28.92³ =
  29. 29.105³ =
  30. 30.108³ =
  31. 31.997³ =
  32. 32.1017³ =
  33. 33.1003³ =
  34. 34.93³ =
  35. 35.103³ =
  36. 36.1011³ =
  37. 37.91³ =
  38. 38.94³ =
  39. 39.105³ =
  40. 40.102³ =

Answer key

  1. 912673
  2. 985074875
  3. 970299
  4. 941192
  5. 967361669
  6. 1054977832
  7. 1048772096
  8. 1018108216
  9. 944076141
  10. 1030301
  11. 912673
  12. 994011992
  13. 1157625
  14. 1092727
  15. 1061208
  16. 1015075125
  17. 1027243729
  18. 912673
  19. 1015075125
  20. 1092727
  21. 753571
  22. 1033364331
  23. 1021147343
  24. 1015075125
  25. 1092727
  26. 970299
  27. 753571
  28. 778688
  29. 1157625
  30. 1259712
  31. 991026973
  32. 1051871913
  33. 1009027027
  34. 804357
  35. 1092727
  36. 1033364331
  37. 753571
  38. 830584
  39. 1157625
  40. 1061208

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