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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 56 · 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. 1.98³ =
  2. 2.102³ =
  3. 3.106³ =
  4. 4.1013³ =
  5. 5.999³ =
  6. 6.94³ =
  7. 7.998³ =
  8. 8.995³ =
  9. 9.98³ =
  10. 10.91³ =
  11. 11.103³ =
  12. 12.99³ =
  13. 13.1003³ =
  14. 14.107³ =
  15. 15.109³ =
  16. 16.105³ =
  17. 17.1015³ =
  18. 18.98³ =
  19. 19.108³ =
  20. 20.1019³ =
  21. 21.108³ =
  22. 22.998³ =
  23. 23.104³ =
  24. 24.96³ =
  25. 25.1001³ =
  26. 26.107³ =
  27. 27.98³ =
  28. 28.1014³ =
  29. 29.1016³ =
  30. 30.101³ =
  31. 31.1012³ =
  32. 32.994³ =
  33. 33.980³ =
  34. 34.103³ =
  35. 35.92³ =
  36. 36.1004³ =
  37. 37.983³ =
  38. 38.991³ =
  39. 39.97³ =
  40. 40.1011³ =

Answer key

  1. 941192
  2. 1061208
  3. 1191016
  4. 1039509197
  5. 997002999
  6. 830584
  7. 994011992
  8. 985074875
  9. 941192
  10. 753571
  11. 1092727
  12. 970299
  13. 1009027027
  14. 1225043
  15. 1295029
  16. 1157625
  17. 1045678375
  18. 941192
  19. 1259712
  20. 1058089859
  21. 1259712
  22. 994011992
  23. 1124864
  24. 884736
  25. 1003003001
  26. 1225043
  27. 941192
  28. 1042590744
  29. 1048772096
  30. 1030301
  31. 1036433728
  32. 982107784
  33. 941192000
  34. 1092727
  35. 778688
  36. 1012048064
  37. 949862087
  38. 973242271
  39. 912673
  40. 1033364331

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