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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 658 · 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. 1.101³ =
  2. 2.93³ =
  3. 3.1013³ =
  4. 4.987³ =
  5. 5.994³ =
  6. 6.997³ =
  7. 7.98³ =
  8. 8.98³ =
  9. 9.93³ =
  10. 10.1020³ =
  11. 11.93³ =
  12. 12.99³ =
  13. 13.99³ =
  14. 14.93³ =
  15. 15.94³ =
  16. 16.109³ =
  17. 17.106³ =
  18. 18.998³ =
  19. 19.99³ =
  20. 20.1015³ =
  21. 21.980³ =
  22. 22.1015³ =
  23. 23.91³ =
  24. 24.1008³ =
  25. 25.101³ =
  26. 26.981³ =
  27. 27.983³ =
  28. 28.92³ =
  29. 29.986³ =
  30. 30.102³ =
  31. 31.1012³ =
  32. 32.103³ =
  33. 33.998³ =
  34. 34.102³ =
  35. 35.995³ =
  36. 36.96³ =
  37. 37.98³ =
  38. 38.101³ =
  39. 39.92³ =
  40. 40.1014³ =

Answer key

  1. 1030301
  2. 804357
  3. 1039509197
  4. 961504803
  5. 982107784
  6. 991026973
  7. 941192
  8. 941192
  9. 804357
  10. 1061208000
  11. 804357
  12. 970299
  13. 970299
  14. 804357
  15. 830584
  16. 1295029
  17. 1191016
  18. 994011992
  19. 970299
  20. 1045678375
  21. 941192000
  22. 1045678375
  23. 753571
  24. 1024192512
  25. 1030301
  26. 944076141
  27. 949862087
  28. 778688
  29. 958585256
  30. 1061208
  31. 1036433728
  32. 1092727
  33. 994011992
  34. 1061208
  35. 985074875
  36. 884736
  37. 941192
  38. 1030301
  39. 778688
  40. 1042590744

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