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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 827 · 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. 1.94³ =
  2. 2.98³ =
  3. 3.97³ =
  4. 4.102³ =
  5. 5.987³ =
  6. 6.97³ =
  7. 7.108³ =
  8. 8.108³ =
  9. 9.980³ =
  10. 10.997³ =
  11. 11.95³ =
  12. 12.91³ =
  13. 13.1003³ =
  14. 14.1012³ =
  15. 15.1003³ =
  16. 16.97³ =
  17. 17.101³ =
  18. 18.1015³ =
  19. 19.1013³ =
  20. 20.983³ =
  21. 21.105³ =
  22. 22.1009³ =
  23. 23.97³ =
  24. 24.995³ =
  25. 25.1001³ =
  26. 26.92³ =
  27. 27.109³ =
  28. 28.106³ =
  29. 29.91³ =
  30. 30.102³ =
  31. 31.988³ =
  32. 32.1014³ =
  33. 33.1004³ =
  34. 34.982³ =
  35. 35.91³ =
  36. 36.989³ =
  37. 37.102³ =
  38. 38.993³ =
  39. 39.1004³ =
  40. 40.103³ =

Answer key

  1. 830584
  2. 941192
  3. 912673
  4. 1061208
  5. 961504803
  6. 912673
  7. 1259712
  8. 1259712
  9. 941192000
  10. 991026973
  11. 857375
  12. 753571
  13. 1009027027
  14. 1036433728
  15. 1009027027
  16. 912673
  17. 1030301
  18. 1045678375
  19. 1039509197
  20. 949862087
  21. 1157625
  22. 1027243729
  23. 912673
  24. 985074875
  25. 1003003001
  26. 778688
  27. 1295029
  28. 1191016
  29. 753571
  30. 1061208
  31. 964430272
  32. 1042590744
  33. 1012048064
  34. 946966168
  35. 753571
  36. 967361669
  37. 1061208
  38. 979146657
  39. 1012048064
  40. 1092727

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