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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 206 · 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. 1.105³ =
  2. 2.101³ =
  3. 3.104³ =
  4. 4.1017³ =
  5. 5.996³ =
  6. 6.99³ =
  7. 7.103³ =
  8. 8.102³ =
  9. 9.109³ =
  10. 10.98³ =
  11. 11.1004³ =
  12. 12.97³ =
  13. 13.1015³ =
  14. 14.97³ =
  15. 15.107³ =
  16. 16.985³ =
  17. 17.92³ =
  18. 18.1008³ =
  19. 19.1014³ =
  20. 20.981³ =
  21. 21.99³ =
  22. 22.999³ =
  23. 23.1002³ =
  24. 24.999³ =
  25. 25.992³ =
  26. 26.991³ =
  27. 27.97³ =
  28. 28.98³ =
  29. 29.1015³ =
  30. 30.1020³ =
  31. 31.107³ =
  32. 32.1008³ =
  33. 33.1016³ =
  34. 34.91³ =
  35. 35.97³ =
  36. 36.97³ =
  37. 37.94³ =
  38. 38.1013³ =
  39. 39.993³ =
  40. 40.99³ =

Answer key

  1. 1157625
  2. 1030301
  3. 1124864
  4. 1051871913
  5. 988047936
  6. 970299
  7. 1092727
  8. 1061208
  9. 1295029
  10. 941192
  11. 1012048064
  12. 912673
  13. 1045678375
  14. 912673
  15. 1225043
  16. 955671625
  17. 778688
  18. 1024192512
  19. 1042590744
  20. 944076141
  21. 970299
  22. 997002999
  23. 1006012008
  24. 997002999
  25. 976191488
  26. 973242271
  27. 912673
  28. 941192
  29. 1045678375
  30. 1061208000
  31. 1225043
  32. 1024192512
  33. 1048772096
  34. 753571
  35. 912673
  36. 912673
  37. 830584
  38. 1039509197
  39. 979146657
  40. 970299

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