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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 985 · 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. 1.96³ =
  2. 2.102³ =
  3. 3.987³ =
  4. 4.95³ =
  5. 5.94³ =
  6. 6.99³ =
  7. 7.982³ =
  8. 8.1020³ =
  9. 9.92³ =
  10. 10.109³ =
  11. 11.93³ =
  12. 12.987³ =
  13. 13.1009³ =
  14. 14.1001³ =
  15. 15.104³ =
  16. 16.998³ =
  17. 17.1006³ =
  18. 18.986³ =
  19. 19.1001³ =
  20. 20.999³ =
  21. 21.1003³ =
  22. 22.985³ =
  23. 23.94³ =
  24. 24.99³ =
  25. 25.101³ =
  26. 26.109³ =
  27. 27.95³ =
  28. 28.980³ =
  29. 29.1001³ =
  30. 30.101³ =
  31. 31.95³ =
  32. 32.105³ =
  33. 33.1010³ =
  34. 34.97³ =
  35. 35.92³ =
  36. 36.1002³ =
  37. 37.1015³ =
  38. 38.108³ =
  39. 39.999³ =
  40. 40.1018³ =

Answer key

  1. 884736
  2. 1061208
  3. 961504803
  4. 857375
  5. 830584
  6. 970299
  7. 946966168
  8. 1061208000
  9. 778688
  10. 1295029
  11. 804357
  12. 961504803
  13. 1027243729
  14. 1003003001
  15. 1124864
  16. 994011992
  17. 1018108216
  18. 958585256
  19. 1003003001
  20. 997002999
  21. 1009027027
  22. 955671625
  23. 830584
  24. 970299
  25. 1030301
  26. 1295029
  27. 857375
  28. 941192000
  29. 1003003001
  30. 1030301
  31. 857375
  32. 1157625
  33. 1030301000
  34. 912673
  35. 778688
  36. 1006012008
  37. 1045678375
  38. 1259712
  39. 997002999
  40. 1054977832

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