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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 256 · 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. 1.1003³ =
  2. 2.987³ =
  3. 3.1016³ =
  4. 4.101³ =
  5. 5.97³ =
  6. 6.103³ =
  7. 7.102³ =
  8. 8.105³ =
  9. 9.99³ =
  10. 10.1016³ =
  11. 11.992³ =
  12. 12.1016³ =
  13. 13.1005³ =
  14. 14.1008³ =
  15. 15.991³ =
  16. 16.98³ =
  17. 17.105³ =
  18. 18.981³ =
  19. 19.1015³ =
  20. 20.107³ =
  21. 21.109³ =
  22. 22.107³ =
  23. 23.108³ =
  24. 24.980³ =
  25. 25.109³ =
  26. 26.102³ =
  27. 27.995³ =
  28. 28.99³ =
  29. 29.94³ =
  30. 30.106³ =
  31. 31.106³ =
  32. 32.996³ =
  33. 33.980³ =
  34. 34.98³ =
  35. 35.92³ =
  36. 36.92³ =
  37. 37.94³ =
  38. 38.986³ =
  39. 39.96³ =
  40. 40.91³ =

Answer key

  1. 1009027027
  2. 961504803
  3. 1048772096
  4. 1030301
  5. 912673
  6. 1092727
  7. 1061208
  8. 1157625
  9. 970299
  10. 1048772096
  11. 976191488
  12. 1048772096
  13. 1015075125
  14. 1024192512
  15. 973242271
  16. 941192
  17. 1157625
  18. 944076141
  19. 1045678375
  20. 1225043
  21. 1295029
  22. 1225043
  23. 1259712
  24. 941192000
  25. 1295029
  26. 1061208
  27. 985074875
  28. 970299
  29. 830584
  30. 1191016
  31. 1191016
  32. 988047936
  33. 941192000
  34. 941192
  35. 778688
  36. 778688
  37. 830584
  38. 958585256
  39. 884736
  40. 753571

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