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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 366 · 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. 1.105³ =
  2. 2.1001³ =
  3. 3.1003³ =
  4. 4.105³ =
  5. 5.98³ =
  6. 6.989³ =
  7. 7.997³ =
  8. 8.95³ =
  9. 9.996³ =
  10. 10.1002³ =
  11. 11.101³ =
  12. 12.103³ =
  13. 13.96³ =
  14. 14.980³ =
  15. 15.995³ =
  16. 16.91³ =
  17. 17.1003³ =
  18. 18.102³ =
  19. 19.1011³ =
  20. 20.101³ =
  21. 21.1018³ =
  22. 22.1002³ =
  23. 23.93³ =
  24. 24.1019³ =
  25. 25.997³ =
  26. 26.108³ =
  27. 27.1018³ =
  28. 28.94³ =
  29. 29.1003³ =
  30. 30.94³ =
  31. 31.994³ =
  32. 32.1011³ =
  33. 33.92³ =
  34. 34.1003³ =
  35. 35.105³ =
  36. 36.102³ =
  37. 37.103³ =
  38. 38.107³ =
  39. 39.97³ =
  40. 40.1018³ =

Answer key

  1. 1157625
  2. 1003003001
  3. 1009027027
  4. 1157625
  5. 941192
  6. 967361669
  7. 991026973
  8. 857375
  9. 988047936
  10. 1006012008
  11. 1030301
  12. 1092727
  13. 884736
  14. 941192000
  15. 985074875
  16. 753571
  17. 1009027027
  18. 1061208
  19. 1033364331
  20. 1030301
  21. 1054977832
  22. 1006012008
  23. 804357
  24. 1058089859
  25. 991026973
  26. 1259712
  27. 1054977832
  28. 830584
  29. 1009027027
  30. 830584
  31. 982107784
  32. 1033364331
  33. 778688
  34. 1009027027
  35. 1157625
  36. 1061208
  37. 1092727
  38. 1225043
  39. 912673
  40. 1054977832

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