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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 611 · 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. 2.93³ =
  3. 3.1008³ =
  4. 4.92³ =
  5. 5.1016³ =
  6. 6.995³ =
  7. 7.982³ =
  8. 8.101³ =
  9. 9.93³ =
  10. 10.980³ =
  11. 11.1013³ =
  12. 12.92³ =
  13. 13.92³ =
  14. 14.99³ =
  15. 15.994³ =
  16. 16.984³ =
  17. 17.97³ =
  18. 18.1002³ =
  19. 19.1015³ =
  20. 20.1017³ =
  21. 21.93³ =
  22. 22.1017³ =
  23. 23.98³ =
  24. 24.105³ =
  25. 25.105³ =
  26. 26.93³ =
  27. 27.1003³ =
  28. 28.989³ =
  29. 29.105³ =
  30. 30.1020³ =
  31. 31.1015³ =
  32. 32.1003³ =
  33. 33.1015³ =
  34. 34.989³ =
  35. 35.995³ =
  36. 36.103³ =
  37. 37.99³ =
  38. 38.1010³ =
  39. 39.997³ =
  40. 40.95³ =

Answer key

  1. 1058089859
  2. 804357
  3. 1024192512
  4. 778688
  5. 1048772096
  6. 985074875
  7. 946966168
  8. 1030301
  9. 804357
  10. 941192000
  11. 1039509197
  12. 778688
  13. 778688
  14. 970299
  15. 982107784
  16. 952763904
  17. 912673
  18. 1006012008
  19. 1045678375
  20. 1051871913
  21. 804357
  22. 1051871913
  23. 941192
  24. 1157625
  25. 1157625
  26. 804357
  27. 1009027027
  28. 967361669
  29. 1157625
  30. 1061208000
  31. 1045678375
  32. 1009027027
  33. 1045678375
  34. 967361669
  35. 985074875
  36. 1092727
  37. 970299
  38. 1030301000
  39. 991026973
  40. 857375

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