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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 485 · 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. 1.107³ =
  2. 2.94³ =
  3. 3.97³ =
  4. 4.92³ =
  5. 5.107³ =
  6. 6.1009³ =
  7. 7.108³ =
  8. 8.101³ =
  9. 9.994³ =
  10. 10.98³ =
  11. 11.109³ =
  12. 12.1017³ =
  13. 13.106³ =
  14. 14.96³ =
  15. 15.997³ =
  16. 16.1011³ =
  17. 17.990³ =
  18. 18.1001³ =
  19. 19.996³ =
  20. 20.981³ =
  21. 21.1006³ =
  22. 22.105³ =
  23. 23.97³ =
  24. 24.93³ =
  25. 25.996³ =
  26. 26.107³ =
  27. 27.99³ =
  28. 28.1014³ =
  29. 29.984³ =
  30. 30.1002³ =
  31. 31.98³ =
  32. 32.105³ =
  33. 33.993³ =
  34. 34.96³ =
  35. 35.1011³ =
  36. 36.1003³ =
  37. 37.91³ =
  38. 38.1015³ =
  39. 39.1016³ =
  40. 40.98³ =

Answer key

  1. 1225043
  2. 830584
  3. 912673
  4. 778688
  5. 1225043
  6. 1027243729
  7. 1259712
  8. 1030301
  9. 982107784
  10. 941192
  11. 1295029
  12. 1051871913
  13. 1191016
  14. 884736
  15. 991026973
  16. 1033364331
  17. 970299000
  18. 1003003001
  19. 988047936
  20. 944076141
  21. 1018108216
  22. 1157625
  23. 912673
  24. 804357
  25. 988047936
  26. 1225043
  27. 970299
  28. 1042590744
  29. 952763904
  30. 1006012008
  31. 941192
  32. 1157625
  33. 979146657
  34. 884736
  35. 1033364331
  36. 1009027027
  37. 753571
  38. 1045678375
  39. 1048772096
  40. 941192

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