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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 561 · 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. 2.1008³ =
  3. 3.97³ =
  4. 4.998³ =
  5. 5.94³ =
  6. 6.987³ =
  7. 7.991³ =
  8. 8.99³ =
  9. 9.983³ =
  10. 10.103³ =
  11. 11.1018³ =
  12. 12.108³ =
  13. 13.99³ =
  14. 14.986³ =
  15. 15.103³ =
  16. 16.95³ =
  17. 17.106³ =
  18. 18.990³ =
  19. 19.1007³ =
  20. 20.104³ =
  21. 21.105³ =
  22. 22.995³ =
  23. 23.1015³ =
  24. 24.97³ =
  25. 25.992³ =
  26. 26.98³ =
  27. 27.95³ =
  28. 28.97³ =
  29. 29.994³ =
  30. 30.104³ =
  31. 31.99³ =
  32. 32.98³ =
  33. 33.107³ =
  34. 34.91³ =
  35. 35.991³ =
  36. 36.1009³ =
  37. 37.93³ =
  38. 38.93³ =
  39. 39.91³ =
  40. 40.96³ =

Answer key

  1. 1124864
  2. 1024192512
  3. 912673
  4. 994011992
  5. 830584
  6. 961504803
  7. 973242271
  8. 970299
  9. 949862087
  10. 1092727
  11. 1054977832
  12. 1259712
  13. 970299
  14. 958585256
  15. 1092727
  16. 857375
  17. 1191016
  18. 970299000
  19. 1021147343
  20. 1124864
  21. 1157625
  22. 985074875
  23. 1045678375
  24. 912673
  25. 976191488
  26. 941192
  27. 857375
  28. 912673
  29. 982107784
  30. 1124864
  31. 970299
  32. 941192
  33. 1225043
  34. 753571
  35. 973242271
  36. 1027243729
  37. 804357
  38. 804357
  39. 753571
  40. 884736

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