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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 523 · 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. 1.109³ =
  2. 2.106³ =
  3. 3.91³ =
  4. 4.1014³ =
  5. 5.997³ =
  6. 6.93³ =
  7. 7.1005³ =
  8. 8.983³ =
  9. 9.104³ =
  10. 10.1016³ =
  11. 11.98³ =
  12. 12.1010³ =
  13. 13.995³ =
  14. 14.985³ =
  15. 15.1004³ =
  16. 16.1003³ =
  17. 17.104³ =
  18. 18.104³ =
  19. 19.990³ =
  20. 20.108³ =
  21. 21.98³ =
  22. 22.97³ =
  23. 23.1016³ =
  24. 24.101³ =
  25. 25.985³ =
  26. 26.97³ =
  27. 27.998³ =
  28. 28.1015³ =
  29. 29.96³ =
  30. 30.995³ =
  31. 31.96³ =
  32. 32.91³ =
  33. 33.995³ =
  34. 34.96³ =
  35. 35.95³ =
  36. 36.993³ =
  37. 37.102³ =
  38. 38.103³ =
  39. 39.97³ =
  40. 40.1005³ =

Answer key

  1. 1295029
  2. 1191016
  3. 753571
  4. 1042590744
  5. 991026973
  6. 804357
  7. 1015075125
  8. 949862087
  9. 1124864
  10. 1048772096
  11. 941192
  12. 1030301000
  13. 985074875
  14. 955671625
  15. 1012048064
  16. 1009027027
  17. 1124864
  18. 1124864
  19. 970299000
  20. 1259712
  21. 941192
  22. 912673
  23. 1048772096
  24. 1030301
  25. 955671625
  26. 912673
  27. 994011992
  28. 1045678375
  29. 884736
  30. 985074875
  31. 884736
  32. 753571
  33. 985074875
  34. 884736
  35. 857375
  36. 979146657
  37. 1061208
  38. 1092727
  39. 912673
  40. 1015075125

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