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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 440 · 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. 2.987³ =
  3. 3.1003³ =
  4. 4.98³ =
  5. 5.998³ =
  6. 6.108³ =
  7. 7.98³ =
  8. 8.93³ =
  9. 9.981³ =
  10. 10.98³ =
  11. 11.99³ =
  12. 12.102³ =
  13. 13.984³ =
  14. 14.1007³ =
  15. 15.1015³ =
  16. 16.1009³ =
  17. 17.989³ =
  18. 18.96³ =
  19. 19.1011³ =
  20. 20.1004³ =
  21. 21.986³ =
  22. 22.94³ =
  23. 23.91³ =
  24. 24.92³ =
  25. 25.109³ =
  26. 26.102³ =
  27. 27.103³ =
  28. 28.995³ =
  29. 29.986³ =
  30. 30.997³ =
  31. 31.1015³ =
  32. 32.997³ =
  33. 33.997³ =
  34. 34.97³ =
  35. 35.109³ =
  36. 36.96³ =
  37. 37.1010³ =
  38. 38.91³ =
  39. 39.93³ =
  40. 40.107³ =

Answer key

  1. 1045678375
  2. 961504803
  3. 1009027027
  4. 941192
  5. 994011992
  6. 1259712
  7. 941192
  8. 804357
  9. 944076141
  10. 941192
  11. 970299
  12. 1061208
  13. 952763904
  14. 1021147343
  15. 1045678375
  16. 1027243729
  17. 967361669
  18. 884736
  19. 1033364331
  20. 1012048064
  21. 958585256
  22. 830584
  23. 753571
  24. 778688
  25. 1295029
  26. 1061208
  27. 1092727
  28. 985074875
  29. 958585256
  30. 991026973
  31. 1045678375
  32. 991026973
  33. 991026973
  34. 912673
  35. 1295029
  36. 884736
  37. 1030301000
  38. 753571
  39. 804357
  40. 1225043

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