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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 736 · 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. 1.94³ =
  2. 2.107³ =
  3. 3.99³ =
  4. 4.99³ =
  5. 5.1016³ =
  6. 6.993³ =
  7. 7.105³ =
  8. 8.981³ =
  9. 9.999³ =
  10. 10.104³ =
  11. 11.1002³ =
  12. 12.995³ =
  13. 13.96³ =
  14. 14.1003³ =
  15. 15.107³ =
  16. 16.101³ =
  17. 17.999³ =
  18. 18.1015³ =
  19. 19.99³ =
  20. 20.1019³ =
  21. 21.103³ =
  22. 22.98³ =
  23. 23.91³ =
  24. 24.103³ =
  25. 25.94³ =
  26. 26.997³ =
  27. 27.101³ =
  28. 28.97³ =
  29. 29.108³ =
  30. 30.103³ =
  31. 31.103³ =
  32. 32.109³ =
  33. 33.1010³ =
  34. 34.99³ =
  35. 35.101³ =
  36. 36.98³ =
  37. 37.1016³ =
  38. 38.97³ =
  39. 39.98³ =
  40. 40.1007³ =

Answer key

  1. 830584
  2. 1225043
  3. 970299
  4. 970299
  5. 1048772096
  6. 979146657
  7. 1157625
  8. 944076141
  9. 997002999
  10. 1124864
  11. 1006012008
  12. 985074875
  13. 884736
  14. 1009027027
  15. 1225043
  16. 1030301
  17. 997002999
  18. 1045678375
  19. 970299
  20. 1058089859
  21. 1092727
  22. 941192
  23. 753571
  24. 1092727
  25. 830584
  26. 991026973
  27. 1030301
  28. 912673
  29. 1259712
  30. 1092727
  31. 1092727
  32. 1295029
  33. 1030301000
  34. 970299
  35. 1030301
  36. 941192
  37. 1048772096
  38. 912673
  39. 941192
  40. 1021147343

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