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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 986 · 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. 2.99³ =
  3. 3.108³ =
  4. 4.1002³ =
  5. 5.98³ =
  6. 6.102³ =
  7. 7.98³ =
  8. 8.97³ =
  9. 9.1016³ =
  10. 10.96³ =
  11. 11.1013³ =
  12. 12.98³ =
  13. 13.101³ =
  14. 14.105³ =
  15. 15.105³ =
  16. 16.93³ =
  17. 17.990³ =
  18. 18.91³ =
  19. 19.983³ =
  20. 20.107³ =
  21. 21.986³ =
  22. 22.106³ =
  23. 23.98³ =
  24. 24.99³ =
  25. 25.99³ =
  26. 26.97³ =
  27. 27.995³ =
  28. 28.1016³ =
  29. 29.106³ =
  30. 30.95³ =
  31. 31.92³ =
  32. 32.97³ =
  33. 33.1018³ =
  34. 34.983³ =
  35. 35.105³ =
  36. 36.998³ =
  37. 37.109³ =
  38. 38.99³ =
  39. 39.1007³ =
  40. 40.98³ =

Answer key

  1. 753571
  2. 970299
  3. 1259712
  4. 1006012008
  5. 941192
  6. 1061208
  7. 941192
  8. 912673
  9. 1048772096
  10. 884736
  11. 1039509197
  12. 941192
  13. 1030301
  14. 1157625
  15. 1157625
  16. 804357
  17. 970299000
  18. 753571
  19. 949862087
  20. 1225043
  21. 958585256
  22. 1191016
  23. 941192
  24. 970299
  25. 970299
  26. 912673
  27. 985074875
  28. 1048772096
  29. 1191016
  30. 857375
  31. 778688
  32. 912673
  33. 1054977832
  34. 949862087
  35. 1157625
  36. 994011992
  37. 1295029
  38. 970299
  39. 1021147343
  40. 941192

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