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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 832 · 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. 1.988³ =
  2. 2.109³ =
  3. 3.987³ =
  4. 4.1013³ =
  5. 5.1004³ =
  6. 6.94³ =
  7. 7.104³ =
  8. 8.96³ =
  9. 9.996³ =
  10. 10.92³ =
  11. 11.101³ =
  12. 12.1015³ =
  13. 13.1013³ =
  14. 14.984³ =
  15. 15.103³ =
  16. 16.109³ =
  17. 17.107³ =
  18. 18.984³ =
  19. 19.992³ =
  20. 20.103³ =
  21. 21.980³ =
  22. 22.1003³ =
  23. 23.92³ =
  24. 24.1007³ =
  25. 25.92³ =
  26. 26.1004³ =
  27. 27.997³ =
  28. 28.1008³ =
  29. 29.105³ =
  30. 30.1014³ =
  31. 31.994³ =
  32. 32.103³ =
  33. 33.108³ =
  34. 34.1019³ =
  35. 35.994³ =
  36. 36.103³ =
  37. 37.96³ =
  38. 38.994³ =
  39. 39.988³ =
  40. 40.998³ =

Answer key

  1. 964430272
  2. 1295029
  3. 961504803
  4. 1039509197
  5. 1012048064
  6. 830584
  7. 1124864
  8. 884736
  9. 988047936
  10. 778688
  11. 1030301
  12. 1045678375
  13. 1039509197
  14. 952763904
  15. 1092727
  16. 1295029
  17. 1225043
  18. 952763904
  19. 976191488
  20. 1092727
  21. 941192000
  22. 1009027027
  23. 778688
  24. 1021147343
  25. 778688
  26. 1012048064
  27. 991026973
  28. 1024192512
  29. 1157625
  30. 1042590744
  31. 982107784
  32. 1092727
  33. 1259712
  34. 1058089859
  35. 982107784
  36. 1092727
  37. 884736
  38. 982107784
  39. 964430272
  40. 994011992

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