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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 755 · 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. 2.980³ =
  3. 3.1002³ =
  4. 4.981³ =
  5. 5.986³ =
  6. 6.106³ =
  7. 7.1014³ =
  8. 8.98³ =
  9. 9.98³ =
  10. 10.1002³ =
  11. 11.102³ =
  12. 12.1012³ =
  13. 13.106³ =
  14. 14.97³ =
  15. 15.105³ =
  16. 16.981³ =
  17. 17.103³ =
  18. 18.983³ =
  19. 19.995³ =
  20. 20.99³ =
  21. 21.98³ =
  22. 22.91³ =
  23. 23.994³ =
  24. 24.996³ =
  25. 25.986³ =
  26. 26.103³ =
  27. 27.97³ =
  28. 28.107³ =
  29. 29.1014³ =
  30. 30.102³ =
  31. 31.1002³ =
  32. 32.1016³ =
  33. 33.1020³ =
  34. 34.1018³ =
  35. 35.103³ =
  36. 36.99³ =
  37. 37.1016³ =
  38. 38.993³ =
  39. 39.1003³ =
  40. 40.1006³ =

Answer key

  1. 1054977832
  2. 941192000
  3. 1006012008
  4. 944076141
  5. 958585256
  6. 1191016
  7. 1042590744
  8. 941192
  9. 941192
  10. 1006012008
  11. 1061208
  12. 1036433728
  13. 1191016
  14. 912673
  15. 1157625
  16. 944076141
  17. 1092727
  18. 949862087
  19. 985074875
  20. 970299
  21. 941192
  22. 753571
  23. 982107784
  24. 988047936
  25. 958585256
  26. 1092727
  27. 912673
  28. 1225043
  29. 1042590744
  30. 1061208
  31. 1006012008
  32. 1048772096
  33. 1061208000
  34. 1054977832
  35. 1092727
  36. 970299
  37. 1048772096
  38. 979146657
  39. 1009027027
  40. 1018108216

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