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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 649 · 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. 1.1007³ =
  2. 2.1018³ =
  3. 3.94³ =
  4. 4.983³ =
  5. 5.106³ =
  6. 6.91³ =
  7. 7.998³ =
  8. 8.97³ =
  9. 9.105³ =
  10. 10.95³ =
  11. 11.97³ =
  12. 12.995³ =
  13. 13.994³ =
  14. 14.1003³ =
  15. 15.98³ =
  16. 16.98³ =
  17. 17.108³ =
  18. 18.987³ =
  19. 19.991³ =
  20. 20.986³ =
  21. 21.1003³ =
  22. 22.92³ =
  23. 23.998³ =
  24. 24.998³ =
  25. 25.108³ =
  26. 26.102³ =
  27. 27.98³ =
  28. 28.101³ =
  29. 29.99³ =
  30. 30.1005³ =
  31. 31.1008³ =
  32. 32.107³ =
  33. 33.97³ =
  34. 34.102³ =
  35. 35.1009³ =
  36. 36.1012³ =
  37. 37.1005³ =
  38. 38.1015³ =
  39. 39.98³ =
  40. 40.101³ =

Answer key

  1. 1021147343
  2. 1054977832
  3. 830584
  4. 949862087
  5. 1191016
  6. 753571
  7. 994011992
  8. 912673
  9. 1157625
  10. 857375
  11. 912673
  12. 985074875
  13. 982107784
  14. 1009027027
  15. 941192
  16. 941192
  17. 1259712
  18. 961504803
  19. 973242271
  20. 958585256
  21. 1009027027
  22. 778688
  23. 994011992
  24. 994011992
  25. 1259712
  26. 1061208
  27. 941192
  28. 1030301
  29. 970299
  30. 1015075125
  31. 1024192512
  32. 1225043
  33. 912673
  34. 1061208
  35. 1027243729
  36. 1036433728
  37. 1015075125
  38. 1045678375
  39. 941192
  40. 1030301

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