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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 3 · 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. 1.104³ =
  2. 2.1008³ =
  3. 3.99³ =
  4. 4.95³ =
  5. 5.109³ =
  6. 6.104³ =
  7. 7.1009³ =
  8. 8.91³ =
  9. 9.994³ =
  10. 10.985³ =
  11. 11.991³ =
  12. 12.102³ =
  13. 13.104³ =
  14. 14.1015³ =
  15. 15.1014³ =
  16. 16.105³ =
  17. 17.998³ =
  18. 18.1014³ =
  19. 19.98³ =
  20. 20.94³ =
  21. 21.997³ =
  22. 22.98³ =
  23. 23.94³ =
  24. 24.984³ =
  25. 25.984³ =
  26. 26.98³ =
  27. 27.1016³ =
  28. 28.993³ =
  29. 29.99³ =
  30. 30.106³ =
  31. 31.91³ =
  32. 32.101³ =
  33. 33.1007³ =
  34. 34.1001³ =
  35. 35.94³ =
  36. 36.1016³ =
  37. 37.95³ =
  38. 38.1003³ =
  39. 39.1004³ =
  40. 40.982³ =

Answer key

  1. 1124864
  2. 1024192512
  3. 970299
  4. 857375
  5. 1295029
  6. 1124864
  7. 1027243729
  8. 753571
  9. 982107784
  10. 955671625
  11. 973242271
  12. 1061208
  13. 1124864
  14. 1045678375
  15. 1042590744
  16. 1157625
  17. 994011992
  18. 1042590744
  19. 941192
  20. 830584
  21. 991026973
  22. 941192
  23. 830584
  24. 952763904
  25. 952763904
  26. 941192
  27. 1048772096
  28. 979146657
  29. 970299
  30. 1191016
  31. 753571
  32. 1030301
  33. 1021147343
  34. 1003003001
  35. 830584
  36. 1048772096
  37. 857375
  38. 1009027027
  39. 1012048064
  40. 946966168

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