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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 63 · 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. 1.989³ =
  2. 2.1011³ =
  3. 3.102³ =
  4. 4.1016³ =
  5. 5.108³ =
  6. 6.980³ =
  7. 7.987³ =
  8. 8.92³ =
  9. 9.101³ =
  10. 10.92³ =
  11. 11.108³ =
  12. 12.996³ =
  13. 13.94³ =
  14. 14.994³ =
  15. 15.1004³ =
  16. 16.990³ =
  17. 17.105³ =
  18. 18.999³ =
  19. 19.999³ =
  20. 20.980³ =
  21. 21.108³ =
  22. 22.104³ =
  23. 23.97³ =
  24. 24.101³ =
  25. 25.1015³ =
  26. 26.998³ =
  27. 27.105³ =
  28. 28.95³ =
  29. 29.1004³ =
  30. 30.99³ =
  31. 31.109³ =
  32. 32.99³ =
  33. 33.991³ =
  34. 34.108³ =
  35. 35.997³ =
  36. 36.94³ =
  37. 37.102³ =
  38. 38.94³ =
  39. 39.93³ =
  40. 40.97³ =

Answer key

  1. 967361669
  2. 1033364331
  3. 1061208
  4. 1048772096
  5. 1259712
  6. 941192000
  7. 961504803
  8. 778688
  9. 1030301
  10. 778688
  11. 1259712
  12. 988047936
  13. 830584
  14. 982107784
  15. 1012048064
  16. 970299000
  17. 1157625
  18. 997002999
  19. 997002999
  20. 941192000
  21. 1259712
  22. 1124864
  23. 912673
  24. 1030301
  25. 1045678375
  26. 994011992
  27. 1157625
  28. 857375
  29. 1012048064
  30. 970299
  31. 1295029
  32. 970299
  33. 973242271
  34. 1259712
  35. 991026973
  36. 830584
  37. 1061208
  38. 830584
  39. 804357
  40. 912673

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