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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 231 · 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. 1.97³ =
  2. 2.109³ =
  3. 3.99³ =
  4. 4.1006³ =
  5. 5.93³ =
  6. 6.98³ =
  7. 7.998³ =
  8. 8.985³ =
  9. 9.99³ =
  10. 10.105³ =
  11. 11.994³ =
  12. 12.1013³ =
  13. 13.996³ =
  14. 14.95³ =
  15. 15.102³ =
  16. 16.980³ =
  17. 17.1004³ =
  18. 18.106³ =
  19. 19.1017³ =
  20. 20.1011³ =
  21. 21.1016³ =
  22. 22.98³ =
  23. 23.97³ =
  24. 24.993³ =
  25. 25.107³ =
  26. 26.101³ =
  27. 27.95³ =
  28. 28.105³ =
  29. 29.985³ =
  30. 30.107³ =
  31. 31.92³ =
  32. 32.92³ =
  33. 33.985³ =
  34. 34.983³ =
  35. 35.92³ =
  36. 36.108³ =
  37. 37.105³ =
  38. 38.93³ =
  39. 39.91³ =
  40. 40.96³ =

Answer key

  1. 912673
  2. 1295029
  3. 970299
  4. 1018108216
  5. 804357
  6. 941192
  7. 994011992
  8. 955671625
  9. 970299
  10. 1157625
  11. 982107784
  12. 1039509197
  13. 988047936
  14. 857375
  15. 1061208
  16. 941192000
  17. 1012048064
  18. 1191016
  19. 1051871913
  20. 1033364331
  21. 1048772096
  22. 941192
  23. 912673
  24. 979146657
  25. 1225043
  26. 1030301
  27. 857375
  28. 1157625
  29. 955671625
  30. 1225043
  31. 778688
  32. 778688
  33. 955671625
  34. 949862087
  35. 778688
  36. 1259712
  37. 1157625
  38. 804357
  39. 753571
  40. 884736

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