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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 824 · 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. 1.1002³ =
  2. 2.104³ =
  3. 3.102³ =
  4. 4.106³ =
  5. 5.104³ =
  6. 6.980³ =
  7. 7.97³ =
  8. 8.99³ =
  9. 9.982³ =
  10. 10.1002³ =
  11. 11.106³ =
  12. 12.995³ =
  13. 13.987³ =
  14. 14.1016³ =
  15. 15.98³ =
  16. 16.96³ =
  17. 17.1002³ =
  18. 18.1004³ =
  19. 19.107³ =
  20. 20.98³ =
  21. 21.983³ =
  22. 22.93³ =
  23. 23.91³ =
  24. 24.1013³ =
  25. 25.990³ =
  26. 26.94³ =
  27. 27.91³ =
  28. 28.92³ =
  29. 29.105³ =
  30. 30.1006³ =
  31. 31.995³ =
  32. 32.995³ =
  33. 33.104³ =
  34. 34.993³ =
  35. 35.998³ =
  36. 36.106³ =
  37. 37.91³ =
  38. 38.104³ =
  39. 39.95³ =
  40. 40.101³ =

Answer key

  1. 1006012008
  2. 1124864
  3. 1061208
  4. 1191016
  5. 1124864
  6. 941192000
  7. 912673
  8. 970299
  9. 946966168
  10. 1006012008
  11. 1191016
  12. 985074875
  13. 961504803
  14. 1048772096
  15. 941192
  16. 884736
  17. 1006012008
  18. 1012048064
  19. 1225043
  20. 941192
  21. 949862087
  22. 804357
  23. 753571
  24. 1039509197
  25. 970299000
  26. 830584
  27. 753571
  28. 778688
  29. 1157625
  30. 1018108216
  31. 985074875
  32. 985074875
  33. 1124864
  34. 979146657
  35. 994011992
  36. 1191016
  37. 753571
  38. 1124864
  39. 857375
  40. 1030301

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