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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 817 · 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. 1.92³ =
  2. 2.99³ =
  3. 3.1009³ =
  4. 4.103³ =
  5. 5.107³ =
  6. 6.1011³ =
  7. 7.997³ =
  8. 8.108³ =
  9. 9.987³ =
  10. 10.992³ =
  11. 11.989³ =
  12. 12.101³ =
  13. 13.94³ =
  14. 14.1018³ =
  15. 15.101³ =
  16. 16.107³ =
  17. 17.104³ =
  18. 18.1003³ =
  19. 19.92³ =
  20. 20.1014³ =
  21. 21.101³ =
  22. 22.983³ =
  23. 23.98³ =
  24. 24.987³ =
  25. 25.93³ =
  26. 26.99³ =
  27. 27.97³ =
  28. 28.991³ =
  29. 29.93³ =
  30. 30.1016³ =
  31. 31.1009³ =
  32. 32.94³ =
  33. 33.987³ =
  34. 34.106³ =
  35. 35.98³ =
  36. 36.997³ =
  37. 37.103³ =
  38. 38.96³ =
  39. 39.996³ =
  40. 40.1013³ =

Answer key

  1. 778688
  2. 970299
  3. 1027243729
  4. 1092727
  5. 1225043
  6. 1033364331
  7. 991026973
  8. 1259712
  9. 961504803
  10. 976191488
  11. 967361669
  12. 1030301
  13. 830584
  14. 1054977832
  15. 1030301
  16. 1225043
  17. 1124864
  18. 1009027027
  19. 778688
  20. 1042590744
  21. 1030301
  22. 949862087
  23. 941192
  24. 961504803
  25. 804357
  26. 970299
  27. 912673
  28. 973242271
  29. 804357
  30. 1048772096
  31. 1027243729
  32. 830584
  33. 961504803
  34. 1191016
  35. 941192
  36. 991026973
  37. 1092727
  38. 884736
  39. 988047936
  40. 1039509197

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