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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 103 · 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. 1.1019³ =
  2. 2.1012³ =
  3. 3.1002³ =
  4. 4.92³ =
  5. 5.99³ =
  6. 6.95³ =
  7. 7.980³ =
  8. 8.102³ =
  9. 9.1007³ =
  10. 10.104³ =
  11. 11.1003³ =
  12. 12.993³ =
  13. 13.982³ =
  14. 14.982³ =
  15. 15.1013³ =
  16. 16.994³ =
  17. 17.1003³ =
  18. 18.994³ =
  19. 19.96³ =
  20. 20.91³ =
  21. 21.1017³ =
  22. 22.1020³ =
  23. 23.980³ =
  24. 24.105³ =
  25. 25.97³ =
  26. 26.1008³ =
  27. 27.102³ =
  28. 28.1015³ =
  29. 29.91³ =
  30. 30.988³ =
  31. 31.109³ =
  32. 32.96³ =
  33. 33.108³ =
  34. 34.91³ =
  35. 35.108³ =
  36. 36.91³ =
  37. 37.107³ =
  38. 38.997³ =
  39. 39.107³ =
  40. 40.95³ =

Answer key

  1. 1058089859
  2. 1036433728
  3. 1006012008
  4. 778688
  5. 970299
  6. 857375
  7. 941192000
  8. 1061208
  9. 1021147343
  10. 1124864
  11. 1009027027
  12. 979146657
  13. 946966168
  14. 946966168
  15. 1039509197
  16. 982107784
  17. 1009027027
  18. 982107784
  19. 884736
  20. 753571
  21. 1051871913
  22. 1061208000
  23. 941192000
  24. 1157625
  25. 912673
  26. 1024192512
  27. 1061208
  28. 1045678375
  29. 753571
  30. 964430272
  31. 1295029
  32. 884736
  33. 1259712
  34. 753571
  35. 1259712
  36. 753571
  37. 1225043
  38. 991026973
  39. 1225043
  40. 857375

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