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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 559 · 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. 1.1003³ =
  2. 2.980³ =
  3. 3.104³ =
  4. 4.97³ =
  5. 5.91³ =
  6. 6.1010³ =
  7. 7.99³ =
  8. 8.91³ =
  9. 9.97³ =
  10. 10.1011³ =
  11. 11.94³ =
  12. 12.1005³ =
  13. 13.996³ =
  14. 14.101³ =
  15. 15.104³ =
  16. 16.93³ =
  17. 17.993³ =
  18. 18.96³ =
  19. 19.999³ =
  20. 20.103³ =
  21. 21.92³ =
  22. 22.105³ =
  23. 23.93³ =
  24. 24.93³ =
  25. 25.98³ =
  26. 26.1004³ =
  27. 27.94³ =
  28. 28.91³ =
  29. 29.103³ =
  30. 30.1012³ =
  31. 31.104³ =
  32. 32.987³ =
  33. 33.102³ =
  34. 34.1014³ =
  35. 35.101³ =
  36. 36.1008³ =
  37. 37.999³ =
  38. 38.1007³ =
  39. 39.1001³ =
  40. 40.101³ =

Answer key

  1. 1009027027
  2. 941192000
  3. 1124864
  4. 912673
  5. 753571
  6. 1030301000
  7. 970299
  8. 753571
  9. 912673
  10. 1033364331
  11. 830584
  12. 1015075125
  13. 988047936
  14. 1030301
  15. 1124864
  16. 804357
  17. 979146657
  18. 884736
  19. 997002999
  20. 1092727
  21. 778688
  22. 1157625
  23. 804357
  24. 804357
  25. 941192
  26. 1012048064
  27. 830584
  28. 753571
  29. 1092727
  30. 1036433728
  31. 1124864
  32. 961504803
  33. 1061208
  34. 1042590744
  35. 1030301
  36. 1024192512
  37. 997002999
  38. 1021147343
  39. 1003003001
  40. 1030301

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