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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 757 · 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. 2.1006³ =
  3. 3.995³ =
  4. 4.1003³ =
  5. 5.96³ =
  6. 6.109³ =
  7. 7.101³ =
  8. 8.106³ =
  9. 9.1020³ =
  10. 10.103³ =
  11. 11.992³ =
  12. 12.999³ =
  13. 13.103³ =
  14. 14.104³ =
  15. 15.984³ =
  16. 16.1012³ =
  17. 17.1017³ =
  18. 18.105³ =
  19. 19.1013³ =
  20. 20.98³ =
  21. 21.996³ =
  22. 22.1015³ =
  23. 23.980³ =
  24. 24.95³ =
  25. 25.988³ =
  26. 26.97³ =
  27. 27.98³ =
  28. 28.91³ =
  29. 29.983³ =
  30. 30.92³ =
  31. 31.102³ =
  32. 32.981³ =
  33. 33.980³ =
  34. 34.985³ =
  35. 35.988³ =
  36. 36.106³ =
  37. 37.106³ =
  38. 38.108³ =
  39. 39.92³ =
  40. 40.1020³ =

Answer key

  1. 830584
  2. 1018108216
  3. 985074875
  4. 1009027027
  5. 884736
  6. 1295029
  7. 1030301
  8. 1191016
  9. 1061208000
  10. 1092727
  11. 976191488
  12. 997002999
  13. 1092727
  14. 1124864
  15. 952763904
  16. 1036433728
  17. 1051871913
  18. 1157625
  19. 1039509197
  20. 941192
  21. 988047936
  22. 1045678375
  23. 941192000
  24. 857375
  25. 964430272
  26. 912673
  27. 941192
  28. 753571
  29. 949862087
  30. 778688
  31. 1061208
  32. 944076141
  33. 941192000
  34. 955671625
  35. 964430272
  36. 1191016
  37. 1191016
  38. 1259712
  39. 778688
  40. 1061208000

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