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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 399 · 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. 1.1004³ =
  2. 2.997³ =
  3. 3.93³ =
  4. 4.983³ =
  5. 5.1012³ =
  6. 6.105³ =
  7. 7.107³ =
  8. 8.993³ =
  9. 9.93³ =
  10. 10.1019³ =
  11. 11.998³ =
  12. 12.1012³ =
  13. 13.102³ =
  14. 14.94³ =
  15. 15.986³ =
  16. 16.1004³ =
  17. 17.984³ =
  18. 18.95³ =
  19. 19.988³ =
  20. 20.96³ =
  21. 21.1016³ =
  22. 22.1012³ =
  23. 23.102³ =
  24. 24.992³ =
  25. 25.96³ =
  26. 26.987³ =
  27. 27.105³ =
  28. 28.998³ =
  29. 29.92³ =
  30. 30.1015³ =
  31. 31.109³ =
  32. 32.980³ =
  33. 33.999³ =
  34. 34.98³ =
  35. 35.108³ =
  36. 36.99³ =
  37. 37.99³ =
  38. 38.98³ =
  39. 39.101³ =
  40. 40.104³ =

Answer key

  1. 1012048064
  2. 991026973
  3. 804357
  4. 949862087
  5. 1036433728
  6. 1157625
  7. 1225043
  8. 979146657
  9. 804357
  10. 1058089859
  11. 994011992
  12. 1036433728
  13. 1061208
  14. 830584
  15. 958585256
  16. 1012048064
  17. 952763904
  18. 857375
  19. 964430272
  20. 884736
  21. 1048772096
  22. 1036433728
  23. 1061208
  24. 976191488
  25. 884736
  26. 961504803
  27. 1157625
  28. 994011992
  29. 778688
  30. 1045678375
  31. 1295029
  32. 941192000
  33. 997002999
  34. 941192
  35. 1259712
  36. 970299
  37. 970299
  38. 941192
  39. 1030301
  40. 1124864

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