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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 760 · 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. 1.990³ =
  2. 2.106³ =
  3. 3.994³ =
  4. 4.1016³ =
  5. 5.984³ =
  6. 6.990³ =
  7. 7.94³ =
  8. 8.91³ =
  9. 9.98³ =
  10. 10.103³ =
  11. 11.103³ =
  12. 12.106³ =
  13. 13.95³ =
  14. 14.1013³ =
  15. 15.91³ =
  16. 16.988³ =
  17. 17.995³ =
  18. 18.108³ =
  19. 19.983³ =
  20. 20.101³ =
  21. 21.94³ =
  22. 22.98³ =
  23. 23.985³ =
  24. 24.99³ =
  25. 25.999³ =
  26. 26.982³ =
  27. 27.105³ =
  28. 28.97³ =
  29. 29.95³ =
  30. 30.107³ =
  31. 31.103³ =
  32. 32.997³ =
  33. 33.96³ =
  34. 34.1008³ =
  35. 35.94³ =
  36. 36.1016³ =
  37. 37.1020³ =
  38. 38.105³ =
  39. 39.97³ =
  40. 40.109³ =

Answer key

  1. 970299000
  2. 1191016
  3. 982107784
  4. 1048772096
  5. 952763904
  6. 970299000
  7. 830584
  8. 753571
  9. 941192
  10. 1092727
  11. 1092727
  12. 1191016
  13. 857375
  14. 1039509197
  15. 753571
  16. 964430272
  17. 985074875
  18. 1259712
  19. 949862087
  20. 1030301
  21. 830584
  22. 941192
  23. 955671625
  24. 970299
  25. 997002999
  26. 946966168
  27. 1157625
  28. 912673
  29. 857375
  30. 1225043
  31. 1092727
  32. 991026973
  33. 884736
  34. 1024192512
  35. 830584
  36. 1048772096
  37. 1061208000
  38. 1157625
  39. 912673
  40. 1295029

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