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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 245 · 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. 1.980³ =
  2. 2.93³ =
  3. 3.999³ =
  4. 4.986³ =
  5. 5.1007³ =
  6. 6.999³ =
  7. 7.1005³ =
  8. 8.93³ =
  9. 9.101³ =
  10. 10.101³ =
  11. 11.1002³ =
  12. 12.1009³ =
  13. 13.993³ =
  14. 14.980³ =
  15. 15.104³ =
  16. 16.97³ =
  17. 17.997³ =
  18. 18.988³ =
  19. 19.999³ =
  20. 20.1017³ =
  21. 21.1011³ =
  22. 22.998³ =
  23. 23.107³ =
  24. 24.1003³ =
  25. 25.1013³ =
  26. 26.1012³ =
  27. 27.93³ =
  28. 28.1012³ =
  29. 29.995³ =
  30. 30.97³ =
  31. 31.997³ =
  32. 32.102³ =
  33. 33.109³ =
  34. 34.98³ =
  35. 35.94³ =
  36. 36.93³ =
  37. 37.91³ =
  38. 38.109³ =
  39. 39.1004³ =
  40. 40.998³ =

Answer key

  1. 941192000
  2. 804357
  3. 997002999
  4. 958585256
  5. 1021147343
  6. 997002999
  7. 1015075125
  8. 804357
  9. 1030301
  10. 1030301
  11. 1006012008
  12. 1027243729
  13. 979146657
  14. 941192000
  15. 1124864
  16. 912673
  17. 991026973
  18. 964430272
  19. 997002999
  20. 1051871913
  21. 1033364331
  22. 994011992
  23. 1225043
  24. 1009027027
  25. 1039509197
  26. 1036433728
  27. 804357
  28. 1036433728
  29. 985074875
  30. 912673
  31. 991026973
  32. 1061208
  33. 1295029
  34. 941192
  35. 830584
  36. 804357
  37. 753571
  38. 1295029
  39. 1012048064
  40. 994011992

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