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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 165 · 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. 1.107³ =
  2. 2.91³ =
  3. 3.99³ =
  4. 4.1004³ =
  5. 5.109³ =
  6. 6.99³ =
  7. 7.96³ =
  8. 8.103³ =
  9. 9.105³ =
  10. 10.92³ =
  11. 11.99³ =
  12. 12.1013³ =
  13. 13.99³ =
  14. 14.97³ =
  15. 15.108³ =
  16. 16.981³ =
  17. 17.108³ =
  18. 18.983³ =
  19. 19.103³ =
  20. 20.98³ =
  21. 21.98³ =
  22. 22.98³ =
  23. 23.1012³ =
  24. 24.93³ =
  25. 25.96³ =
  26. 26.994³ =
  27. 27.980³ =
  28. 28.98³ =
  29. 29.94³ =
  30. 30.103³ =
  31. 31.105³ =
  32. 32.104³ =
  33. 33.91³ =
  34. 34.97³ =
  35. 35.102³ =
  36. 36.108³ =
  37. 37.102³ =
  38. 38.1003³ =
  39. 39.101³ =
  40. 40.108³ =

Answer key

  1. 1225043
  2. 753571
  3. 970299
  4. 1012048064
  5. 1295029
  6. 970299
  7. 884736
  8. 1092727
  9. 1157625
  10. 778688
  11. 970299
  12. 1039509197
  13. 970299
  14. 912673
  15. 1259712
  16. 944076141
  17. 1259712
  18. 949862087
  19. 1092727
  20. 941192
  21. 941192
  22. 941192
  23. 1036433728
  24. 804357
  25. 884736
  26. 982107784
  27. 941192000
  28. 941192
  29. 830584
  30. 1092727
  31. 1157625
  32. 1124864
  33. 753571
  34. 912673
  35. 1061208
  36. 1259712
  37. 1061208
  38. 1009027027
  39. 1030301
  40. 1259712

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