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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 9 · 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. 1.103³ =
  2. 2.101³ =
  3. 3.1005³ =
  4. 4.109³ =
  5. 5.105³ =
  6. 6.1003³ =
  7. 7.1015³ =
  8. 8.985³ =
  9. 9.1006³ =
  10. 10.104³ =
  11. 11.92³ =
  12. 12.1011³ =
  13. 13.1010³ =
  14. 14.107³ =
  15. 15.985³ =
  16. 16.1002³ =
  17. 17.992³ =
  18. 18.91³ =
  19. 19.95³ =
  20. 20.93³ =
  21. 21.992³ =
  22. 22.96³ =
  23. 23.980³ =
  24. 24.109³ =
  25. 25.101³ =
  26. 26.1003³ =
  27. 27.1007³ =
  28. 28.987³ =
  29. 29.109³ =
  30. 30.995³ =
  31. 31.107³ =
  32. 32.1004³ =
  33. 33.94³ =
  34. 34.986³ =
  35. 35.999³ =
  36. 36.103³ =
  37. 37.101³ =
  38. 38.93³ =
  39. 39.109³ =
  40. 40.1013³ =

Answer key

  1. 1092727
  2. 1030301
  3. 1015075125
  4. 1295029
  5. 1157625
  6. 1009027027
  7. 1045678375
  8. 955671625
  9. 1018108216
  10. 1124864
  11. 778688
  12. 1033364331
  13. 1030301000
  14. 1225043
  15. 955671625
  16. 1006012008
  17. 976191488
  18. 753571
  19. 857375
  20. 804357
  21. 976191488
  22. 884736
  23. 941192000
  24. 1295029
  25. 1030301
  26. 1009027027
  27. 1021147343
  28. 961504803
  29. 1295029
  30. 985074875
  31. 1225043
  32. 1012048064
  33. 830584
  34. 958585256
  35. 997002999
  36. 1092727
  37. 1030301
  38. 804357
  39. 1295029
  40. 1039509197

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