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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 482 · 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. 1.93³ =
  2. 2.94³ =
  3. 3.1003³ =
  4. 4.105³ =
  5. 5.988³ =
  6. 6.98³ =
  7. 7.1015³ =
  8. 8.981³ =
  9. 9.107³ =
  10. 10.991³ =
  11. 11.1012³ =
  12. 12.984³ =
  13. 13.94³ =
  14. 14.1001³ =
  15. 15.97³ =
  16. 16.97³ =
  17. 17.990³ =
  18. 18.1017³ =
  19. 19.95³ =
  20. 20.94³ =
  21. 21.98³ =
  22. 22.109³ =
  23. 23.986³ =
  24. 24.985³ =
  25. 25.101³ =
  26. 26.99³ =
  27. 27.108³ =
  28. 28.1017³ =
  29. 29.107³ =
  30. 30.980³ =
  31. 31.108³ =
  32. 32.997³ =
  33. 33.107³ =
  34. 34.981³ =
  35. 35.986³ =
  36. 36.106³ =
  37. 37.1013³ =
  38. 38.97³ =
  39. 39.99³ =
  40. 40.994³ =

Answer key

  1. 804357
  2. 830584
  3. 1009027027
  4. 1157625
  5. 964430272
  6. 941192
  7. 1045678375
  8. 944076141
  9. 1225043
  10. 973242271
  11. 1036433728
  12. 952763904
  13. 830584
  14. 1003003001
  15. 912673
  16. 912673
  17. 970299000
  18. 1051871913
  19. 857375
  20. 830584
  21. 941192
  22. 1295029
  23. 958585256
  24. 955671625
  25. 1030301
  26. 970299
  27. 1259712
  28. 1051871913
  29. 1225043
  30. 941192000
  31. 1259712
  32. 991026973
  33. 1225043
  34. 944076141
  35. 958585256
  36. 1191016
  37. 1039509197
  38. 912673
  39. 970299
  40. 982107784

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