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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 76 · 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. 1.980³ =
  2. 2.101³ =
  3. 3.92³ =
  4. 4.1013³ =
  5. 5.108³ =
  6. 6.106³ =
  7. 7.987³ =
  8. 8.96³ =
  9. 9.91³ =
  10. 10.1002³ =
  11. 11.94³ =
  12. 12.109³ =
  13. 13.95³ =
  14. 14.108³ =
  15. 15.992³ =
  16. 16.97³ =
  17. 17.102³ =
  18. 18.98³ =
  19. 19.981³ =
  20. 20.1004³ =
  21. 21.108³ =
  22. 22.109³ =
  23. 23.108³ =
  24. 24.104³ =
  25. 25.93³ =
  26. 26.105³ =
  27. 27.993³ =
  28. 28.107³ =
  29. 29.92³ =
  30. 30.92³ =
  31. 31.998³ =
  32. 32.994³ =
  33. 33.1001³ =
  34. 34.996³ =
  35. 35.104³ =
  36. 36.104³ =
  37. 37.96³ =
  38. 38.1003³ =
  39. 39.1002³ =
  40. 40.107³ =

Answer key

  1. 941192000
  2. 1030301
  3. 778688
  4. 1039509197
  5. 1259712
  6. 1191016
  7. 961504803
  8. 884736
  9. 753571
  10. 1006012008
  11. 830584
  12. 1295029
  13. 857375
  14. 1259712
  15. 976191488
  16. 912673
  17. 1061208
  18. 941192
  19. 944076141
  20. 1012048064
  21. 1259712
  22. 1295029
  23. 1259712
  24. 1124864
  25. 804357
  26. 1157625
  27. 979146657
  28. 1225043
  29. 778688
  30. 778688
  31. 994011992
  32. 982107784
  33. 1003003001
  34. 988047936
  35. 1124864
  36. 1124864
  37. 884736
  38. 1009027027
  39. 1006012008
  40. 1225043

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