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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 869 · 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. 2.98³ =
  3. 3.992³ =
  4. 4.984³ =
  5. 5.1016³ =
  6. 6.1016³ =
  7. 7.1011³ =
  8. 8.1011³ =
  9. 9.1007³ =
  10. 10.104³ =
  11. 11.103³ =
  12. 12.104³ =
  13. 13.105³ =
  14. 14.1004³ =
  15. 15.993³ =
  16. 16.1004³ =
  17. 17.91³ =
  18. 18.1007³ =
  19. 19.987³ =
  20. 20.105³ =
  21. 21.1010³ =
  22. 22.102³ =
  23. 23.107³ =
  24. 24.108³ =
  25. 25.96³ =
  26. 26.97³ =
  27. 27.988³ =
  28. 28.994³ =
  29. 29.97³ =
  30. 30.1013³ =
  31. 31.105³ =
  32. 32.94³ =
  33. 33.91³ =
  34. 34.982³ =
  35. 35.990³ =
  36. 36.97³ =
  37. 37.1003³ =
  38. 38.1019³ =
  39. 39.1001³ =
  40. 40.980³ =

Answer key

  1. 1030301
  2. 941192
  3. 976191488
  4. 952763904
  5. 1048772096
  6. 1048772096
  7. 1033364331
  8. 1033364331
  9. 1021147343
  10. 1124864
  11. 1092727
  12. 1124864
  13. 1157625
  14. 1012048064
  15. 979146657
  16. 1012048064
  17. 753571
  18. 1021147343
  19. 961504803
  20. 1157625
  21. 1030301000
  22. 1061208
  23. 1225043
  24. 1259712
  25. 884736
  26. 912673
  27. 964430272
  28. 982107784
  29. 912673
  30. 1039509197
  31. 1157625
  32. 830584
  33. 753571
  34. 946966168
  35. 970299000
  36. 912673
  37. 1009027027
  38. 1058089859
  39. 1003003001
  40. 941192000

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