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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 172 · 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. 2.989³ =
  3. 3.93³ =
  4. 4.992³ =
  5. 5.105³ =
  6. 6.106³ =
  7. 7.1004³ =
  8. 8.996³ =
  9. 9.92³ =
  10. 10.95³ =
  11. 11.109³ =
  12. 12.91³ =
  13. 13.996³ =
  14. 14.93³ =
  15. 15.103³ =
  16. 16.987³ =
  17. 17.995³ =
  18. 18.92³ =
  19. 19.1004³ =
  20. 20.1005³ =
  21. 21.1003³ =
  22. 22.95³ =
  23. 23.997³ =
  24. 24.991³ =
  25. 25.996³ =
  26. 26.102³ =
  27. 27.103³ =
  28. 28.987³ =
  29. 29.96³ =
  30. 30.994³ =
  31. 31.101³ =
  32. 32.1004³ =
  33. 33.96³ =
  34. 34.999³ =
  35. 35.92³ =
  36. 36.101³ =
  37. 37.105³ =
  38. 38.103³ =
  39. 39.105³ =
  40. 40.92³ =

Answer key

  1. 1157625
  2. 967361669
  3. 804357
  4. 976191488
  5. 1157625
  6. 1191016
  7. 1012048064
  8. 988047936
  9. 778688
  10. 857375
  11. 1295029
  12. 753571
  13. 988047936
  14. 804357
  15. 1092727
  16. 961504803
  17. 985074875
  18. 778688
  19. 1012048064
  20. 1015075125
  21. 1009027027
  22. 857375
  23. 991026973
  24. 973242271
  25. 988047936
  26. 1061208
  27. 1092727
  28. 961504803
  29. 884736
  30. 982107784
  31. 1030301
  32. 1012048064
  33. 884736
  34. 997002999
  35. 778688
  36. 1030301
  37. 1157625
  38. 1092727
  39. 1157625
  40. 778688

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