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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 648 · 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. 1.98³ =
  2. 2.995³ =
  3. 3.109³ =
  4. 4.1007³ =
  5. 5.1013³ =
  6. 6.107³ =
  7. 7.102³ =
  8. 8.996³ =
  9. 9.98³ =
  10. 10.91³ =
  11. 11.102³ =
  12. 12.1005³ =
  13. 13.91³ =
  14. 14.101³ =
  15. 15.1002³ =
  16. 16.1012³ =
  17. 17.95³ =
  18. 18.98³ =
  19. 19.1007³ =
  20. 20.108³ =
  21. 21.105³ =
  22. 22.105³ =
  23. 23.1015³ =
  24. 24.104³ =
  25. 25.91³ =
  26. 26.91³ =
  27. 27.989³ =
  28. 28.987³ =
  29. 29.102³ =
  30. 30.991³ =
  31. 31.94³ =
  32. 32.106³ =
  33. 33.981³ =
  34. 34.1002³ =
  35. 35.1019³ =
  36. 36.987³ =
  37. 37.1015³ =
  38. 38.104³ =
  39. 39.103³ =
  40. 40.1012³ =

Answer key

  1. 941192
  2. 985074875
  3. 1295029
  4. 1021147343
  5. 1039509197
  6. 1225043
  7. 1061208
  8. 988047936
  9. 941192
  10. 753571
  11. 1061208
  12. 1015075125
  13. 753571
  14. 1030301
  15. 1006012008
  16. 1036433728
  17. 857375
  18. 941192
  19. 1021147343
  20. 1259712
  21. 1157625
  22. 1157625
  23. 1045678375
  24. 1124864
  25. 753571
  26. 753571
  27. 967361669
  28. 961504803
  29. 1061208
  30. 973242271
  31. 830584
  32. 1191016
  33. 944076141
  34. 1006012008
  35. 1058089859
  36. 961504803
  37. 1045678375
  38. 1124864
  39. 1092727
  40. 1036433728

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