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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 574 · 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. 1.91³ =
  2. 2.102³ =
  3. 3.98³ =
  4. 4.99³ =
  5. 5.97³ =
  6. 6.1015³ =
  7. 7.109³ =
  8. 8.109³ =
  9. 9.107³ =
  10. 10.1019³ =
  11. 11.95³ =
  12. 12.1004³ =
  13. 13.105³ =
  14. 14.982³ =
  15. 15.1003³ =
  16. 16.99³ =
  17. 17.1012³ =
  18. 18.1014³ =
  19. 19.103³ =
  20. 20.985³ =
  21. 21.1018³ =
  22. 22.95³ =
  23. 23.107³ =
  24. 24.994³ =
  25. 25.104³ =
  26. 26.99³ =
  27. 27.988³ =
  28. 28.996³ =
  29. 29.982³ =
  30. 30.996³ =
  31. 31.109³ =
  32. 32.998³ =
  33. 33.1019³ =
  34. 34.104³ =
  35. 35.97³ =
  36. 36.93³ =
  37. 37.108³ =
  38. 38.108³ =
  39. 39.95³ =
  40. 40.109³ =

Answer key

  1. 753571
  2. 1061208
  3. 941192
  4. 970299
  5. 912673
  6. 1045678375
  7. 1295029
  8. 1295029
  9. 1225043
  10. 1058089859
  11. 857375
  12. 1012048064
  13. 1157625
  14. 946966168
  15. 1009027027
  16. 970299
  17. 1036433728
  18. 1042590744
  19. 1092727
  20. 955671625
  21. 1054977832
  22. 857375
  23. 1225043
  24. 982107784
  25. 1124864
  26. 970299
  27. 964430272
  28. 988047936
  29. 946966168
  30. 988047936
  31. 1295029
  32. 994011992
  33. 1058089859
  34. 1124864
  35. 912673
  36. 804357
  37. 1259712
  38. 1259712
  39. 857375
  40. 1295029

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