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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 189 · 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. 1.1010³ =
  2. 2.99³ =
  3. 3.106³ =
  4. 4.1012³ =
  5. 5.97³ =
  6. 6.97³ =
  7. 7.99³ =
  8. 8.1002³ =
  9. 9.94³ =
  10. 10.101³ =
  11. 11.991³ =
  12. 12.93³ =
  13. 13.101³ =
  14. 14.107³ =
  15. 15.92³ =
  16. 16.102³ =
  17. 17.997³ =
  18. 18.1017³ =
  19. 19.104³ =
  20. 20.1003³ =
  21. 21.101³ =
  22. 22.1007³ =
  23. 23.101³ =
  24. 24.103³ =
  25. 25.91³ =
  26. 26.91³ =
  27. 27.104³ =
  28. 28.987³ =
  29. 29.95³ =
  30. 30.107³ =
  31. 31.106³ =
  32. 32.103³ =
  33. 33.105³ =
  34. 34.997³ =
  35. 35.106³ =
  36. 36.1002³ =
  37. 37.998³ =
  38. 38.95³ =
  39. 39.989³ =
  40. 40.92³ =

Answer key

  1. 1030301000
  2. 970299
  3. 1191016
  4. 1036433728
  5. 912673
  6. 912673
  7. 970299
  8. 1006012008
  9. 830584
  10. 1030301
  11. 973242271
  12. 804357
  13. 1030301
  14. 1225043
  15. 778688
  16. 1061208
  17. 991026973
  18. 1051871913
  19. 1124864
  20. 1009027027
  21. 1030301
  22. 1021147343
  23. 1030301
  24. 1092727
  25. 753571
  26. 753571
  27. 1124864
  28. 961504803
  29. 857375
  30. 1225043
  31. 1191016
  32. 1092727
  33. 1157625
  34. 991026973
  35. 1191016
  36. 1006012008
  37. 994011992
  38. 857375
  39. 967361669
  40. 778688

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