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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 517 · 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. 1.1009³ =
  2. 2.995³ =
  3. 3.983³ =
  4. 4.108³ =
  5. 5.96³ =
  6. 6.1002³ =
  7. 7.1003³ =
  8. 8.106³ =
  9. 9.994³ =
  10. 10.102³ =
  11. 11.102³ =
  12. 12.95³ =
  13. 13.103³ =
  14. 14.1003³ =
  15. 15.106³ =
  16. 16.1018³ =
  17. 17.1007³ =
  18. 18.93³ =
  19. 19.990³ =
  20. 20.990³ =
  21. 21.1015³ =
  22. 22.996³ =
  23. 23.91³ =
  24. 24.93³ =
  25. 25.95³ =
  26. 26.95³ =
  27. 27.1005³ =
  28. 28.101³ =
  29. 29.998³ =
  30. 30.996³ =
  31. 31.96³ =
  32. 32.98³ =
  33. 33.97³ =
  34. 34.983³ =
  35. 35.1002³ =
  36. 36.96³ =
  37. 37.101³ =
  38. 38.984³ =
  39. 39.1009³ =
  40. 40.102³ =

Answer key

  1. 1027243729
  2. 985074875
  3. 949862087
  4. 1259712
  5. 884736
  6. 1006012008
  7. 1009027027
  8. 1191016
  9. 982107784
  10. 1061208
  11. 1061208
  12. 857375
  13. 1092727
  14. 1009027027
  15. 1191016
  16. 1054977832
  17. 1021147343
  18. 804357
  19. 970299000
  20. 970299000
  21. 1045678375
  22. 988047936
  23. 753571
  24. 804357
  25. 857375
  26. 857375
  27. 1015075125
  28. 1030301
  29. 994011992
  30. 988047936
  31. 884736
  32. 941192
  33. 912673
  34. 949862087
  35. 1006012008
  36. 884736
  37. 1030301
  38. 952763904
  39. 1027243729
  40. 1061208

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