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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 81 · 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. 1.102³ =
  2. 2.107³ =
  3. 3.1012³ =
  4. 4.105³ =
  5. 5.998³ =
  6. 6.987³ =
  7. 7.96³ =
  8. 8.107³ =
  9. 9.993³ =
  10. 10.1004³ =
  11. 11.95³ =
  12. 12.1017³ =
  13. 13.103³ =
  14. 14.99³ =
  15. 15.108³ =
  16. 16.992³ =
  17. 17.1002³ =
  18. 18.95³ =
  19. 19.1011³ =
  20. 20.1003³ =
  21. 21.1010³ =
  22. 22.994³ =
  23. 23.102³ =
  24. 24.101³ =
  25. 25.1019³ =
  26. 26.105³ =
  27. 27.104³ =
  28. 28.1003³ =
  29. 29.985³ =
  30. 30.991³ =
  31. 31.93³ =
  32. 32.980³ =
  33. 33.103³ =
  34. 34.990³ =
  35. 35.99³ =
  36. 36.1003³ =
  37. 37.96³ =
  38. 38.996³ =
  39. 39.1015³ =
  40. 40.99³ =

Answer key

  1. 1061208
  2. 1225043
  3. 1036433728
  4. 1157625
  5. 994011992
  6. 961504803
  7. 884736
  8. 1225043
  9. 979146657
  10. 1012048064
  11. 857375
  12. 1051871913
  13. 1092727
  14. 970299
  15. 1259712
  16. 976191488
  17. 1006012008
  18. 857375
  19. 1033364331
  20. 1009027027
  21. 1030301000
  22. 982107784
  23. 1061208
  24. 1030301
  25. 1058089859
  26. 1157625
  27. 1124864
  28. 1009027027
  29. 955671625
  30. 973242271
  31. 804357
  32. 941192000
  33. 1092727
  34. 970299000
  35. 970299
  36. 1009027027
  37. 884736
  38. 988047936
  39. 1045678375
  40. 970299

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