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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 101 · 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. 1.1019³ =
  2. 2.986³ =
  3. 3.98³ =
  4. 4.1016³ =
  5. 5.92³ =
  6. 6.108³ =
  7. 7.108³ =
  8. 8.108³ =
  9. 9.997³ =
  10. 10.93³ =
  11. 11.91³ =
  12. 12.104³ =
  13. 13.94³ =
  14. 14.1007³ =
  15. 15.109³ =
  16. 16.1008³ =
  17. 17.1013³ =
  18. 18.1007³ =
  19. 19.1011³ =
  20. 20.92³ =
  21. 21.97³ =
  22. 22.109³ =
  23. 23.103³ =
  24. 24.93³ =
  25. 25.983³ =
  26. 26.104³ =
  27. 27.995³ =
  28. 28.106³ =
  29. 29.94³ =
  30. 30.99³ =
  31. 31.107³ =
  32. 32.985³ =
  33. 33.91³ =
  34. 34.1015³ =
  35. 35.97³ =
  36. 36.996³ =
  37. 37.91³ =
  38. 38.1010³ =
  39. 39.1010³ =
  40. 40.101³ =

Answer key

  1. 1058089859
  2. 958585256
  3. 941192
  4. 1048772096
  5. 778688
  6. 1259712
  7. 1259712
  8. 1259712
  9. 991026973
  10. 804357
  11. 753571
  12. 1124864
  13. 830584
  14. 1021147343
  15. 1295029
  16. 1024192512
  17. 1039509197
  18. 1021147343
  19. 1033364331
  20. 778688
  21. 912673
  22. 1295029
  23. 1092727
  24. 804357
  25. 949862087
  26. 1124864
  27. 985074875
  28. 1191016
  29. 830584
  30. 970299
  31. 1225043
  32. 955671625
  33. 753571
  34. 1045678375
  35. 912673
  36. 988047936
  37. 753571
  38. 1030301000
  39. 1030301000
  40. 1030301

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