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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 74 · 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. 1.105³ =
  2. 2.994³ =
  3. 3.93³ =
  4. 4.109³ =
  5. 5.1003³ =
  6. 6.97³ =
  7. 7.982³ =
  8. 8.1011³ =
  9. 9.98³ =
  10. 10.105³ =
  11. 11.101³ =
  12. 12.103³ =
  13. 13.107³ =
  14. 14.106³ =
  15. 15.93³ =
  16. 16.107³ =
  17. 17.101³ =
  18. 18.1011³ =
  19. 19.106³ =
  20. 20.93³ =
  21. 21.987³ =
  22. 22.1018³ =
  23. 23.987³ =
  24. 24.989³ =
  25. 25.103³ =
  26. 26.94³ =
  27. 27.97³ =
  28. 28.99³ =
  29. 29.1003³ =
  30. 30.108³ =
  31. 31.1011³ =
  32. 32.1012³ =
  33. 33.98³ =
  34. 34.98³ =
  35. 35.105³ =
  36. 36.104³ =
  37. 37.985³ =
  38. 38.1006³ =
  39. 39.1008³ =
  40. 40.998³ =

Answer key

  1. 1157625
  2. 982107784
  3. 804357
  4. 1295029
  5. 1009027027
  6. 912673
  7. 946966168
  8. 1033364331
  9. 941192
  10. 1157625
  11. 1030301
  12. 1092727
  13. 1225043
  14. 1191016
  15. 804357
  16. 1225043
  17. 1030301
  18. 1033364331
  19. 1191016
  20. 804357
  21. 961504803
  22. 1054977832
  23. 961504803
  24. 967361669
  25. 1092727
  26. 830584
  27. 912673
  28. 970299
  29. 1009027027
  30. 1259712
  31. 1033364331
  32. 1036433728
  33. 941192
  34. 941192
  35. 1157625
  36. 1124864
  37. 955671625
  38. 1018108216
  39. 1024192512
  40. 994011992

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