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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 696 · 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. 1.104³ =
  2. 2.101³ =
  3. 3.93³ =
  4. 4.995³ =
  5. 5.1003³ =
  6. 6.109³ =
  7. 7.1002³ =
  8. 8.91³ =
  9. 9.103³ =
  10. 10.91³ =
  11. 11.989³ =
  12. 12.980³ =
  13. 13.982³ =
  14. 14.995³ =
  15. 15.101³ =
  16. 16.91³ =
  17. 17.102³ =
  18. 18.1003³ =
  19. 19.99³ =
  20. 20.101³ =
  21. 21.95³ =
  22. 22.101³ =
  23. 23.1013³ =
  24. 24.93³ =
  25. 25.92³ =
  26. 26.102³ =
  27. 27.94³ =
  28. 28.93³ =
  29. 29.103³ =
  30. 30.91³ =
  31. 31.997³ =
  32. 32.104³ =
  33. 33.997³ =
  34. 34.97³ =
  35. 35.985³ =
  36. 36.995³ =
  37. 37.1014³ =
  38. 38.1003³ =
  39. 39.99³ =
  40. 40.108³ =

Answer key

  1. 1124864
  2. 1030301
  3. 804357
  4. 985074875
  5. 1009027027
  6. 1295029
  7. 1006012008
  8. 753571
  9. 1092727
  10. 753571
  11. 967361669
  12. 941192000
  13. 946966168
  14. 985074875
  15. 1030301
  16. 753571
  17. 1061208
  18. 1009027027
  19. 970299
  20. 1030301
  21. 857375
  22. 1030301
  23. 1039509197
  24. 804357
  25. 778688
  26. 1061208
  27. 830584
  28. 804357
  29. 1092727
  30. 753571
  31. 991026973
  32. 1124864
  33. 991026973
  34. 912673
  35. 955671625
  36. 985074875
  37. 1042590744
  38. 1009027027
  39. 970299
  40. 1259712

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