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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 812 · 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. 1.97³ =
  2. 2.1004³ =
  3. 3.1018³ =
  4. 4.1020³ =
  5. 5.101³ =
  6. 6.107³ =
  7. 7.990³ =
  8. 8.996³ =
  9. 9.98³ =
  10. 10.108³ =
  11. 11.93³ =
  12. 12.93³ =
  13. 13.981³ =
  14. 14.988³ =
  15. 15.991³ =
  16. 16.1016³ =
  17. 17.95³ =
  18. 18.1006³ =
  19. 19.105³ =
  20. 20.1012³ =
  21. 21.94³ =
  22. 22.103³ =
  23. 23.92³ =
  24. 24.109³ =
  25. 25.109³ =
  26. 26.91³ =
  27. 27.993³ =
  28. 28.96³ =
  29. 29.987³ =
  30. 30.982³ =
  31. 31.102³ =
  32. 32.997³ =
  33. 33.996³ =
  34. 34.1003³ =
  35. 35.1012³ =
  36. 36.96³ =
  37. 37.1016³ =
  38. 38.997³ =
  39. 39.994³ =
  40. 40.92³ =

Answer key

  1. 912673
  2. 1012048064
  3. 1054977832
  4. 1061208000
  5. 1030301
  6. 1225043
  7. 970299000
  8. 988047936
  9. 941192
  10. 1259712
  11. 804357
  12. 804357
  13. 944076141
  14. 964430272
  15. 973242271
  16. 1048772096
  17. 857375
  18. 1018108216
  19. 1157625
  20. 1036433728
  21. 830584
  22. 1092727
  23. 778688
  24. 1295029
  25. 1295029
  26. 753571
  27. 979146657
  28. 884736
  29. 961504803
  30. 946966168
  31. 1061208
  32. 991026973
  33. 988047936
  34. 1009027027
  35. 1036433728
  36. 884736
  37. 1048772096
  38. 991026973
  39. 982107784
  40. 778688

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