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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 6 · 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. 1.1005³ =
  2. 2.1018³ =
  3. 3.94³ =
  4. 4.109³ =
  5. 5.105³ =
  6. 6.95³ =
  7. 7.92³ =
  8. 8.995³ =
  9. 9.1020³ =
  10. 10.987³ =
  11. 11.989³ =
  12. 12.95³ =
  13. 13.97³ =
  14. 14.93³ =
  15. 15.97³ =
  16. 16.102³ =
  17. 17.95³ =
  18. 18.93³ =
  19. 19.1013³ =
  20. 20.103³ =
  21. 21.91³ =
  22. 22.995³ =
  23. 23.95³ =
  24. 24.998³ =
  25. 25.1013³ =
  26. 26.94³ =
  27. 27.101³ =
  28. 28.98³ =
  29. 29.999³ =
  30. 30.99³ =
  31. 31.99³ =
  32. 32.989³ =
  33. 33.1003³ =
  34. 34.1004³ =
  35. 35.109³ =
  36. 36.107³ =
  37. 37.1002³ =
  38. 38.1004³ =
  39. 39.95³ =
  40. 40.101³ =

Answer key

  1. 1015075125
  2. 1054977832
  3. 830584
  4. 1295029
  5. 1157625
  6. 857375
  7. 778688
  8. 985074875
  9. 1061208000
  10. 961504803
  11. 967361669
  12. 857375
  13. 912673
  14. 804357
  15. 912673
  16. 1061208
  17. 857375
  18. 804357
  19. 1039509197
  20. 1092727
  21. 753571
  22. 985074875
  23. 857375
  24. 994011992
  25. 1039509197
  26. 830584
  27. 1030301
  28. 941192
  29. 997002999
  30. 970299
  31. 970299
  32. 967361669
  33. 1009027027
  34. 1012048064
  35. 1295029
  36. 1225043
  37. 1006012008
  38. 1012048064
  39. 857375
  40. 1030301

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