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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 410 · 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. 2.994³ =
  3. 3.106³ =
  4. 4.1013³ =
  5. 5.105³ =
  6. 6.1012³ =
  7. 7.91³ =
  8. 8.985³ =
  9. 9.983³ =
  10. 10.106³ =
  11. 11.102³ =
  12. 12.1014³ =
  13. 13.980³ =
  14. 14.995³ =
  15. 15.104³ =
  16. 16.999³ =
  17. 17.1014³ =
  18. 18.103³ =
  19. 19.994³ =
  20. 20.995³ =
  21. 21.999³ =
  22. 22.103³ =
  23. 23.98³ =
  24. 24.1008³ =
  25. 25.108³ =
  26. 26.96³ =
  27. 27.103³ =
  28. 28.98³ =
  29. 29.990³ =
  30. 30.1005³ =
  31. 31.1003³ =
  32. 32.91³ =
  33. 33.94³ =
  34. 34.987³ =
  35. 35.95³ =
  36. 36.992³ =
  37. 37.99³ =
  38. 38.1006³ =
  39. 39.108³ =
  40. 40.1017³ =

Answer key

  1. 1030301
  2. 982107784
  3. 1191016
  4. 1039509197
  5. 1157625
  6. 1036433728
  7. 753571
  8. 955671625
  9. 949862087
  10. 1191016
  11. 1061208
  12. 1042590744
  13. 941192000
  14. 985074875
  15. 1124864
  16. 997002999
  17. 1042590744
  18. 1092727
  19. 982107784
  20. 985074875
  21. 997002999
  22. 1092727
  23. 941192
  24. 1024192512
  25. 1259712
  26. 884736
  27. 1092727
  28. 941192
  29. 970299000
  30. 1015075125
  31. 1009027027
  32. 753571
  33. 830584
  34. 961504803
  35. 857375
  36. 976191488
  37. 970299
  38. 1018108216
  39. 1259712
  40. 1051871913

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