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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 776 · 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. 1.999³ =
  2. 2.102³ =
  3. 3.1006³ =
  4. 4.993³ =
  5. 5.93³ =
  6. 6.987³ =
  7. 7.96³ =
  8. 8.109³ =
  9. 9.94³ =
  10. 10.995³ =
  11. 11.980³ =
  12. 12.982³ =
  13. 13.107³ =
  14. 14.98³ =
  15. 15.97³ =
  16. 16.96³ =
  17. 17.1003³ =
  18. 18.98³ =
  19. 19.1003³ =
  20. 20.109³ =
  21. 21.99³ =
  22. 22.1009³ =
  23. 23.105³ =
  24. 24.104³ =
  25. 25.91³ =
  26. 26.92³ =
  27. 27.109³ =
  28. 28.109³ =
  29. 29.990³ =
  30. 30.95³ =
  31. 31.980³ =
  32. 32.102³ =
  33. 33.95³ =
  34. 34.99³ =
  35. 35.983³ =
  36. 36.1009³ =
  37. 37.1015³ =
  38. 38.97³ =
  39. 39.1006³ =
  40. 40.1008³ =

Answer key

  1. 997002999
  2. 1061208
  3. 1018108216
  4. 979146657
  5. 804357
  6. 961504803
  7. 884736
  8. 1295029
  9. 830584
  10. 985074875
  11. 941192000
  12. 946966168
  13. 1225043
  14. 941192
  15. 912673
  16. 884736
  17. 1009027027
  18. 941192
  19. 1009027027
  20. 1295029
  21. 970299
  22. 1027243729
  23. 1157625
  24. 1124864
  25. 753571
  26. 778688
  27. 1295029
  28. 1295029
  29. 970299000
  30. 857375
  31. 941192000
  32. 1061208
  33. 857375
  34. 970299
  35. 949862087
  36. 1027243729
  37. 1045678375
  38. 912673
  39. 1018108216
  40. 1024192512

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