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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 727 · 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. 1.104³ =
  2. 2.1010³ =
  3. 3.101³ =
  4. 4.104³ =
  5. 5.97³ =
  6. 6.97³ =
  7. 7.98³ =
  8. 8.987³ =
  9. 9.106³ =
  10. 10.1017³ =
  11. 11.1003³ =
  12. 12.91³ =
  13. 13.105³ =
  14. 14.92³ =
  15. 15.1018³ =
  16. 16.999³ =
  17. 17.97³ =
  18. 18.1007³ =
  19. 19.1010³ =
  20. 20.109³ =
  21. 21.1018³ =
  22. 22.993³ =
  23. 23.102³ =
  24. 24.101³ =
  25. 25.104³ =
  26. 26.95³ =
  27. 27.107³ =
  28. 28.107³ =
  29. 29.93³ =
  30. 30.1006³ =
  31. 31.105³ =
  32. 32.1001³ =
  33. 33.1004³ =
  34. 34.1013³ =
  35. 35.998³ =
  36. 36.91³ =
  37. 37.91³ =
  38. 38.989³ =
  39. 39.106³ =
  40. 40.106³ =

Answer key

  1. 1124864
  2. 1030301000
  3. 1030301
  4. 1124864
  5. 912673
  6. 912673
  7. 941192
  8. 961504803
  9. 1191016
  10. 1051871913
  11. 1009027027
  12. 753571
  13. 1157625
  14. 778688
  15. 1054977832
  16. 997002999
  17. 912673
  18. 1021147343
  19. 1030301000
  20. 1295029
  21. 1054977832
  22. 979146657
  23. 1061208
  24. 1030301
  25. 1124864
  26. 857375
  27. 1225043
  28. 1225043
  29. 804357
  30. 1018108216
  31. 1157625
  32. 1003003001
  33. 1012048064
  34. 1039509197
  35. 994011992
  36. 753571
  37. 753571
  38. 967361669
  39. 1191016
  40. 1191016

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