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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 892 · 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. 1.1018³ =
  2. 2.94³ =
  3. 3.101³ =
  4. 4.94³ =
  5. 5.99³ =
  6. 6.95³ =
  7. 7.102³ =
  8. 8.1009³ =
  9. 9.990³ =
  10. 10.992³ =
  11. 11.92³ =
  12. 12.996³ =
  13. 13.998³ =
  14. 14.1002³ =
  15. 15.1015³ =
  16. 16.101³ =
  17. 17.96³ =
  18. 18.105³ =
  19. 19.92³ =
  20. 20.1013³ =
  21. 21.1006³ =
  22. 22.997³ =
  23. 23.996³ =
  24. 24.999³ =
  25. 25.98³ =
  26. 26.101³ =
  27. 27.95³ =
  28. 28.92³ =
  29. 29.101³ =
  30. 30.94³ =
  31. 31.101³ =
  32. 32.990³ =
  33. 33.107³ =
  34. 34.1002³ =
  35. 35.994³ =
  36. 36.93³ =
  37. 37.991³ =
  38. 38.109³ =
  39. 39.97³ =
  40. 40.95³ =

Answer key

  1. 1054977832
  2. 830584
  3. 1030301
  4. 830584
  5. 970299
  6. 857375
  7. 1061208
  8. 1027243729
  9. 970299000
  10. 976191488
  11. 778688
  12. 988047936
  13. 994011992
  14. 1006012008
  15. 1045678375
  16. 1030301
  17. 884736
  18. 1157625
  19. 778688
  20. 1039509197
  21. 1018108216
  22. 991026973
  23. 988047936
  24. 997002999
  25. 941192
  26. 1030301
  27. 857375
  28. 778688
  29. 1030301
  30. 830584
  31. 1030301
  32. 970299000
  33. 1225043
  34. 1006012008
  35. 982107784
  36. 804357
  37. 973242271
  38. 1295029
  39. 912673
  40. 857375

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