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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 722 · 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. 1.996³ =
  2. 2.105³ =
  3. 3.1003³ =
  4. 4.993³ =
  5. 5.108³ =
  6. 6.1016³ =
  7. 7.1012³ =
  8. 8.992³ =
  9. 9.109³ =
  10. 10.97³ =
  11. 11.982³ =
  12. 12.95³ =
  13. 13.92³ =
  14. 14.1009³ =
  15. 15.1018³ =
  16. 16.1009³ =
  17. 17.990³ =
  18. 18.1015³ =
  19. 19.103³ =
  20. 20.105³ =
  21. 21.986³ =
  22. 22.984³ =
  23. 23.982³ =
  24. 24.94³ =
  25. 25.101³ =
  26. 26.101³ =
  27. 27.988³ =
  28. 28.1015³ =
  29. 29.95³ =
  30. 30.103³ =
  31. 31.999³ =
  32. 32.997³ =
  33. 33.1018³ =
  34. 34.990³ =
  35. 35.1015³ =
  36. 36.1009³ =
  37. 37.992³ =
  38. 38.984³ =
  39. 39.989³ =
  40. 40.109³ =

Answer key

  1. 988047936
  2. 1157625
  3. 1009027027
  4. 979146657
  5. 1259712
  6. 1048772096
  7. 1036433728
  8. 976191488
  9. 1295029
  10. 912673
  11. 946966168
  12. 857375
  13. 778688
  14. 1027243729
  15. 1054977832
  16. 1027243729
  17. 970299000
  18. 1045678375
  19. 1092727
  20. 1157625
  21. 958585256
  22. 952763904
  23. 946966168
  24. 830584
  25. 1030301
  26. 1030301
  27. 964430272
  28. 1045678375
  29. 857375
  30. 1092727
  31. 997002999
  32. 991026973
  33. 1054977832
  34. 970299000
  35. 1045678375
  36. 1027243729
  37. 976191488
  38. 952763904
  39. 967361669
  40. 1295029

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