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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 350 · 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. 1.1005³ =
  2. 2.102³ =
  3. 3.95³ =
  4. 4.93³ =
  5. 5.108³ =
  6. 6.108³ =
  7. 7.988³ =
  8. 8.1003³ =
  9. 9.109³ =
  10. 10.103³ =
  11. 11.1016³ =
  12. 12.983³ =
  13. 13.991³ =
  14. 14.97³ =
  15. 15.94³ =
  16. 16.102³ =
  17. 17.98³ =
  18. 18.1005³ =
  19. 19.106³ =
  20. 20.982³ =
  21. 21.1003³ =
  22. 22.981³ =
  23. 23.1008³ =
  24. 24.97³ =
  25. 25.1002³ =
  26. 26.96³ =
  27. 27.92³ =
  28. 28.96³ =
  29. 29.105³ =
  30. 30.95³ =
  31. 31.107³ =
  32. 32.1009³ =
  33. 33.99³ =
  34. 34.98³ =
  35. 35.1006³ =
  36. 36.1003³ =
  37. 37.998³ =
  38. 38.1003³ =
  39. 39.1004³ =
  40. 40.97³ =

Answer key

  1. 1015075125
  2. 1061208
  3. 857375
  4. 804357
  5. 1259712
  6. 1259712
  7. 964430272
  8. 1009027027
  9. 1295029
  10. 1092727
  11. 1048772096
  12. 949862087
  13. 973242271
  14. 912673
  15. 830584
  16. 1061208
  17. 941192
  18. 1015075125
  19. 1191016
  20. 946966168
  21. 1009027027
  22. 944076141
  23. 1024192512
  24. 912673
  25. 1006012008
  26. 884736
  27. 778688
  28. 884736
  29. 1157625
  30. 857375
  31. 1225043
  32. 1027243729
  33. 970299
  34. 941192
  35. 1018108216
  36. 1009027027
  37. 994011992
  38. 1009027027
  39. 1012048064
  40. 912673

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