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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 356 · 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. 1.93³ =
  2. 2.995³ =
  3. 3.1015³ =
  4. 4.109³ =
  5. 5.995³ =
  6. 6.98³ =
  7. 7.92³ =
  8. 8.105³ =
  9. 9.95³ =
  10. 10.1014³ =
  11. 11.1003³ =
  12. 12.94³ =
  13. 13.93³ =
  14. 14.99³ =
  15. 15.104³ =
  16. 16.91³ =
  17. 17.109³ =
  18. 18.103³ =
  19. 19.102³ =
  20. 20.92³ =
  21. 21.98³ =
  22. 22.1005³ =
  23. 23.997³ =
  24. 24.1010³ =
  25. 25.982³ =
  26. 26.105³ =
  27. 27.97³ =
  28. 28.92³ =
  29. 29.990³ =
  30. 30.106³ =
  31. 31.99³ =
  32. 32.1005³ =
  33. 33.987³ =
  34. 34.98³ =
  35. 35.101³ =
  36. 36.998³ =
  37. 37.995³ =
  38. 38.1009³ =
  39. 39.104³ =
  40. 40.105³ =

Answer key

  1. 804357
  2. 985074875
  3. 1045678375
  4. 1295029
  5. 985074875
  6. 941192
  7. 778688
  8. 1157625
  9. 857375
  10. 1042590744
  11. 1009027027
  12. 830584
  13. 804357
  14. 970299
  15. 1124864
  16. 753571
  17. 1295029
  18. 1092727
  19. 1061208
  20. 778688
  21. 941192
  22. 1015075125
  23. 991026973
  24. 1030301000
  25. 946966168
  26. 1157625
  27. 912673
  28. 778688
  29. 970299000
  30. 1191016
  31. 970299
  32. 1015075125
  33. 961504803
  34. 941192
  35. 1030301
  36. 994011992
  37. 985074875
  38. 1027243729
  39. 1124864
  40. 1157625

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