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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 547 · 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. 1.981³ =
  2. 2.1006³ =
  3. 3.997³ =
  4. 4.94³ =
  5. 5.98³ =
  6. 6.106³ =
  7. 7.1009³ =
  8. 8.91³ =
  9. 9.109³ =
  10. 10.103³ =
  11. 11.1001³ =
  12. 12.1020³ =
  13. 13.105³ =
  14. 14.96³ =
  15. 15.92³ =
  16. 16.998³ =
  17. 17.1014³ =
  18. 18.95³ =
  19. 19.91³ =
  20. 20.97³ =
  21. 21.1005³ =
  22. 22.991³ =
  23. 23.994³ =
  24. 24.103³ =
  25. 25.107³ =
  26. 26.1004³ =
  27. 27.1019³ =
  28. 28.984³ =
  29. 29.95³ =
  30. 30.1003³ =
  31. 31.98³ =
  32. 32.101³ =
  33. 33.998³ =
  34. 34.987³ =
  35. 35.95³ =
  36. 36.104³ =
  37. 37.1002³ =
  38. 38.109³ =
  39. 39.1008³ =
  40. 40.102³ =

Answer key

  1. 944076141
  2. 1018108216
  3. 991026973
  4. 830584
  5. 941192
  6. 1191016
  7. 1027243729
  8. 753571
  9. 1295029
  10. 1092727
  11. 1003003001
  12. 1061208000
  13. 1157625
  14. 884736
  15. 778688
  16. 994011992
  17. 1042590744
  18. 857375
  19. 753571
  20. 912673
  21. 1015075125
  22. 973242271
  23. 982107784
  24. 1092727
  25. 1225043
  26. 1012048064
  27. 1058089859
  28. 952763904
  29. 857375
  30. 1009027027
  31. 941192
  32. 1030301
  33. 994011992
  34. 961504803
  35. 857375
  36. 1124864
  37. 1006012008
  38. 1295029
  39. 1024192512
  40. 1061208

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