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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 119 · 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. 1.101³ =
  2. 2.108³ =
  3. 3.109³ =
  4. 4.105³ =
  5. 5.994³ =
  6. 6.1003³ =
  7. 7.1020³ =
  8. 8.97³ =
  9. 9.1002³ =
  10. 10.988³ =
  11. 11.97³ =
  12. 12.96³ =
  13. 13.91³ =
  14. 14.1013³ =
  15. 15.1009³ =
  16. 16.99³ =
  17. 17.96³ =
  18. 18.103³ =
  19. 19.1015³ =
  20. 20.98³ =
  21. 21.982³ =
  22. 22.102³ =
  23. 23.96³ =
  24. 24.92³ =
  25. 25.1002³ =
  26. 26.108³ =
  27. 27.109³ =
  28. 28.997³ =
  29. 29.98³ =
  30. 30.102³ =
  31. 31.1003³ =
  32. 32.1018³ =
  33. 33.1020³ =
  34. 34.98³ =
  35. 35.102³ =
  36. 36.104³ =
  37. 37.1005³ =
  38. 38.107³ =
  39. 39.1016³ =
  40. 40.1008³ =

Answer key

  1. 1030301
  2. 1259712
  3. 1295029
  4. 1157625
  5. 982107784
  6. 1009027027
  7. 1061208000
  8. 912673
  9. 1006012008
  10. 964430272
  11. 912673
  12. 884736
  13. 753571
  14. 1039509197
  15. 1027243729
  16. 970299
  17. 884736
  18. 1092727
  19. 1045678375
  20. 941192
  21. 946966168
  22. 1061208
  23. 884736
  24. 778688
  25. 1006012008
  26. 1259712
  27. 1295029
  28. 991026973
  29. 941192
  30. 1061208
  31. 1009027027
  32. 1054977832
  33. 1061208000
  34. 941192
  35. 1061208
  36. 1124864
  37. 1015075125
  38. 1225043
  39. 1048772096
  40. 1024192512

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