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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 861 · 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. 1.96³ =
  2. 2.998³ =
  3. 3.94³ =
  4. 4.1011³ =
  5. 5.1004³ =
  6. 6.1013³ =
  7. 7.1012³ =
  8. 8.97³ =
  9. 9.95³ =
  10. 10.990³ =
  11. 11.105³ =
  12. 12.983³ =
  13. 13.92³ =
  14. 14.99³ =
  15. 15.1001³ =
  16. 16.109³ =
  17. 17.97³ =
  18. 18.104³ =
  19. 19.980³ =
  20. 20.94³ =
  21. 21.94³ =
  22. 22.106³ =
  23. 23.93³ =
  24. 24.997³ =
  25. 25.998³ =
  26. 26.101³ =
  27. 27.102³ =
  28. 28.94³ =
  29. 29.105³ =
  30. 30.1014³ =
  31. 31.983³ =
  32. 32.106³ =
  33. 33.104³ =
  34. 34.999³ =
  35. 35.95³ =
  36. 36.104³ =
  37. 37.105³ =
  38. 38.103³ =
  39. 39.103³ =
  40. 40.97³ =

Answer key

  1. 884736
  2. 994011992
  3. 830584
  4. 1033364331
  5. 1012048064
  6. 1039509197
  7. 1036433728
  8. 912673
  9. 857375
  10. 970299000
  11. 1157625
  12. 949862087
  13. 778688
  14. 970299
  15. 1003003001
  16. 1295029
  17. 912673
  18. 1124864
  19. 941192000
  20. 830584
  21. 830584
  22. 1191016
  23. 804357
  24. 991026973
  25. 994011992
  26. 1030301
  27. 1061208
  28. 830584
  29. 1157625
  30. 1042590744
  31. 949862087
  32. 1191016
  33. 1124864
  34. 997002999
  35. 857375
  36. 1124864
  37. 1157625
  38. 1092727
  39. 1092727
  40. 912673

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