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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 313 · 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. 1.1015³ =
  2. 2.93³ =
  3. 3.1002³ =
  4. 4.93³ =
  5. 5.98³ =
  6. 6.98³ =
  7. 7.96³ =
  8. 8.98³ =
  9. 9.101³ =
  10. 10.996³ =
  11. 11.96³ =
  12. 12.1009³ =
  13. 13.1008³ =
  14. 14.99³ =
  15. 15.1004³ =
  16. 16.995³ =
  17. 17.1004³ =
  18. 18.91³ =
  19. 19.92³ =
  20. 20.1011³ =
  21. 21.101³ =
  22. 22.106³ =
  23. 23.1003³ =
  24. 24.982³ =
  25. 25.1019³ =
  26. 26.986³ =
  27. 27.96³ =
  28. 28.985³ =
  29. 29.99³ =
  30. 30.99³ =
  31. 31.986³ =
  32. 32.99³ =
  33. 33.108³ =
  34. 34.997³ =
  35. 35.93³ =
  36. 36.108³ =
  37. 37.91³ =
  38. 38.1012³ =
  39. 39.109³ =
  40. 40.1018³ =

Answer key

  1. 1045678375
  2. 804357
  3. 1006012008
  4. 804357
  5. 941192
  6. 941192
  7. 884736
  8. 941192
  9. 1030301
  10. 988047936
  11. 884736
  12. 1027243729
  13. 1024192512
  14. 970299
  15. 1012048064
  16. 985074875
  17. 1012048064
  18. 753571
  19. 778688
  20. 1033364331
  21. 1030301
  22. 1191016
  23. 1009027027
  24. 946966168
  25. 1058089859
  26. 958585256
  27. 884736
  28. 955671625
  29. 970299
  30. 970299
  31. 958585256
  32. 970299
  33. 1259712
  34. 991026973
  35. 804357
  36. 1259712
  37. 753571
  38. 1036433728
  39. 1295029
  40. 1054977832

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