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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 672 · 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. 2.103³ =
  3. 3.996³ =
  4. 4.104³ =
  5. 5.102³ =
  6. 6.94³ =
  7. 7.1006³ =
  8. 8.94³ =
  9. 9.1002³ =
  10. 10.993³ =
  11. 11.99³ =
  12. 12.994³ =
  13. 13.1002³ =
  14. 14.98³ =
  15. 15.93³ =
  16. 16.106³ =
  17. 17.98³ =
  18. 18.93³ =
  19. 19.1002³ =
  20. 20.101³ =
  21. 21.93³ =
  22. 22.98³ =
  23. 23.1016³ =
  24. 24.984³ =
  25. 25.992³ =
  26. 26.999³ =
  27. 27.1008³ =
  28. 28.1002³ =
  29. 29.97³ =
  30. 30.105³ =
  31. 31.98³ =
  32. 32.97³ =
  33. 33.98³ =
  34. 34.99³ =
  35. 35.1003³ =
  36. 36.106³ =
  37. 37.989³ =
  38. 38.1012³ =
  39. 39.993³ =
  40. 40.94³ =

Answer key

  1. 1225043
  2. 1092727
  3. 988047936
  4. 1124864
  5. 1061208
  6. 830584
  7. 1018108216
  8. 830584
  9. 1006012008
  10. 979146657
  11. 970299
  12. 982107784
  13. 1006012008
  14. 941192
  15. 804357
  16. 1191016
  17. 941192
  18. 804357
  19. 1006012008
  20. 1030301
  21. 804357
  22. 941192
  23. 1048772096
  24. 952763904
  25. 976191488
  26. 997002999
  27. 1024192512
  28. 1006012008
  29. 912673
  30. 1157625
  31. 941192
  32. 912673
  33. 941192
  34. 970299
  35. 1009027027
  36. 1191016
  37. 967361669
  38. 1036433728
  39. 979146657
  40. 830584

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