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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 305 · 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. 1.1004³ =
  2. 2.98³ =
  3. 3.987³ =
  4. 4.1007³ =
  5. 5.981³ =
  6. 6.99³ =
  7. 7.105³ =
  8. 8.91³ =
  9. 9.109³ =
  10. 10.98³ =
  11. 11.996³ =
  12. 12.96³ =
  13. 13.102³ =
  14. 14.108³ =
  15. 15.93³ =
  16. 16.107³ =
  17. 17.994³ =
  18. 18.97³ =
  19. 19.981³ =
  20. 20.104³ =
  21. 21.1013³ =
  22. 22.1007³ =
  23. 23.102³ =
  24. 24.106³ =
  25. 25.1004³ =
  26. 26.1007³ =
  27. 27.108³ =
  28. 28.97³ =
  29. 29.102³ =
  30. 30.996³ =
  31. 31.993³ =
  32. 32.105³ =
  33. 33.95³ =
  34. 34.94³ =
  35. 35.997³ =
  36. 36.92³ =
  37. 37.103³ =
  38. 38.995³ =
  39. 39.97³ =
  40. 40.1020³ =

Answer key

  1. 1012048064
  2. 941192
  3. 961504803
  4. 1021147343
  5. 944076141
  6. 970299
  7. 1157625
  8. 753571
  9. 1295029
  10. 941192
  11. 988047936
  12. 884736
  13. 1061208
  14. 1259712
  15. 804357
  16. 1225043
  17. 982107784
  18. 912673
  19. 944076141
  20. 1124864
  21. 1039509197
  22. 1021147343
  23. 1061208
  24. 1191016
  25. 1012048064
  26. 1021147343
  27. 1259712
  28. 912673
  29. 1061208
  30. 988047936
  31. 979146657
  32. 1157625
  33. 857375
  34. 830584
  35. 991026973
  36. 778688
  37. 1092727
  38. 985074875
  39. 912673
  40. 1061208000

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