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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 422 · 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. 1.980³ =
  2. 2.98³ =
  3. 3.92³ =
  4. 4.987³ =
  5. 5.97³ =
  6. 6.987³ =
  7. 7.101³ =
  8. 8.995³ =
  9. 9.994³ =
  10. 10.99³ =
  11. 11.99³ =
  12. 12.106³ =
  13. 13.994³ =
  14. 14.109³ =
  15. 15.107³ =
  16. 16.992³ =
  17. 17.103³ =
  18. 18.101³ =
  19. 19.1015³ =
  20. 20.104³ =
  21. 21.97³ =
  22. 22.99³ =
  23. 23.988³ =
  24. 24.97³ =
  25. 25.109³ =
  26. 26.1018³ =
  27. 27.996³ =
  28. 28.1003³ =
  29. 29.96³ =
  30. 30.991³ =
  31. 31.92³ =
  32. 32.92³ =
  33. 33.105³ =
  34. 34.106³ =
  35. 35.985³ =
  36. 36.998³ =
  37. 37.1003³ =
  38. 38.93³ =
  39. 39.102³ =
  40. 40.995³ =

Answer key

  1. 941192000
  2. 941192
  3. 778688
  4. 961504803
  5. 912673
  6. 961504803
  7. 1030301
  8. 985074875
  9. 982107784
  10. 970299
  11. 970299
  12. 1191016
  13. 982107784
  14. 1295029
  15. 1225043
  16. 976191488
  17. 1092727
  18. 1030301
  19. 1045678375
  20. 1124864
  21. 912673
  22. 970299
  23. 964430272
  24. 912673
  25. 1295029
  26. 1054977832
  27. 988047936
  28. 1009027027
  29. 884736
  30. 973242271
  31. 778688
  32. 778688
  33. 1157625
  34. 1191016
  35. 955671625
  36. 994011992
  37. 1009027027
  38. 804357
  39. 1061208
  40. 985074875

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