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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 409 · 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. 1.985³ =
  2. 2.97³ =
  3. 3.97³ =
  4. 4.987³ =
  5. 5.98³ =
  6. 6.93³ =
  7. 7.108³ =
  8. 8.97³ =
  9. 9.98³ =
  10. 10.985³ =
  11. 11.998³ =
  12. 12.103³ =
  13. 13.99³ =
  14. 14.96³ =
  15. 15.91³ =
  16. 16.991³ =
  17. 17.1014³ =
  18. 18.1018³ =
  19. 19.1008³ =
  20. 20.106³ =
  21. 21.1003³ =
  22. 22.99³ =
  23. 23.95³ =
  24. 24.97³ =
  25. 25.994³ =
  26. 26.1004³ =
  27. 27.987³ =
  28. 28.994³ =
  29. 29.104³ =
  30. 30.108³ =
  31. 31.99³ =
  32. 32.101³ =
  33. 33.989³ =
  34. 34.98³ =
  35. 35.99³ =
  36. 36.998³ =
  37. 37.998³ =
  38. 38.984³ =
  39. 39.105³ =
  40. 40.94³ =

Answer key

  1. 955671625
  2. 912673
  3. 912673
  4. 961504803
  5. 941192
  6. 804357
  7. 1259712
  8. 912673
  9. 941192
  10. 955671625
  11. 994011992
  12. 1092727
  13. 970299
  14. 884736
  15. 753571
  16. 973242271
  17. 1042590744
  18. 1054977832
  19. 1024192512
  20. 1191016
  21. 1009027027
  22. 970299
  23. 857375
  24. 912673
  25. 982107784
  26. 1012048064
  27. 961504803
  28. 982107784
  29. 1124864
  30. 1259712
  31. 970299
  32. 1030301
  33. 967361669
  34. 941192
  35. 970299
  36. 994011992
  37. 994011992
  38. 952763904
  39. 1157625
  40. 830584

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