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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 181 · 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. 1.1018³ =
  2. 2.96³ =
  3. 3.1018³ =
  4. 4.1002³ =
  5. 5.1015³ =
  6. 6.1005³ =
  7. 7.108³ =
  8. 8.993³ =
  9. 9.983³ =
  10. 10.97³ =
  11. 11.980³ =
  12. 12.99³ =
  13. 13.93³ =
  14. 14.109³ =
  15. 15.99³ =
  16. 16.999³ =
  17. 17.1008³ =
  18. 18.997³ =
  19. 19.94³ =
  20. 20.104³ =
  21. 21.98³ =
  22. 22.997³ =
  23. 23.1015³ =
  24. 24.1008³ =
  25. 25.1005³ =
  26. 26.95³ =
  27. 27.107³ =
  28. 28.985³ =
  29. 29.998³ =
  30. 30.91³ =
  31. 31.980³ =
  32. 32.1011³ =
  33. 33.1012³ =
  34. 34.1006³ =
  35. 35.99³ =
  36. 36.1003³ =
  37. 37.101³ =
  38. 38.101³ =
  39. 39.91³ =
  40. 40.94³ =

Answer key

  1. 1054977832
  2. 884736
  3. 1054977832
  4. 1006012008
  5. 1045678375
  6. 1015075125
  7. 1259712
  8. 979146657
  9. 949862087
  10. 912673
  11. 941192000
  12. 970299
  13. 804357
  14. 1295029
  15. 970299
  16. 997002999
  17. 1024192512
  18. 991026973
  19. 830584
  20. 1124864
  21. 941192
  22. 991026973
  23. 1045678375
  24. 1024192512
  25. 1015075125
  26. 857375
  27. 1225043
  28. 955671625
  29. 994011992
  30. 753571
  31. 941192000
  32. 1033364331
  33. 1036433728
  34. 1018108216
  35. 970299
  36. 1009027027
  37. 1030301
  38. 1030301
  39. 753571
  40. 830584

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