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Cubes Near 100 Worksheet

Vedic maths trick 27: Cubes near 100 and 1000 · Set 737 · 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. 1.1007³ =
  2. 2.105³ =
  3. 3.1004³ =
  4. 4.985³ =
  5. 5.107³ =
  6. 6.1005³ =
  7. 7.1013³ =
  8. 8.998³ =
  9. 9.97³ =
  10. 10.1011³ =
  11. 11.94³ =
  12. 12.97³ =
  13. 13.998³ =
  14. 14.102³ =
  15. 15.101³ =
  16. 16.987³ =
  17. 17.106³ =
  18. 18.999³ =
  19. 19.104³ =
  20. 20.92³ =
  21. 21.103³ =
  22. 22.102³ =
  23. 23.988³ =
  24. 24.1019³ =
  25. 25.97³ =
  26. 26.103³ =
  27. 27.97³ =
  28. 28.105³ =
  29. 29.97³ =
  30. 30.1013³ =
  31. 31.105³ =
  32. 32.96³ =
  33. 33.1012³ =
  34. 34.1007³ =
  35. 35.109³ =
  36. 36.91³ =
  37. 37.101³ =
  38. 38.994³ =
  39. 39.981³ =
  40. 40.992³ =

Answer key

  1. 1021147343
  2. 1157625
  3. 1012048064
  4. 955671625
  5. 1225043
  6. 1015075125
  7. 1039509197
  8. 994011992
  9. 912673
  10. 1033364331
  11. 830584
  12. 912673
  13. 994011992
  14. 1061208
  15. 1030301
  16. 961504803
  17. 1191016
  18. 997002999
  19. 1124864
  20. 778688
  21. 1092727
  22. 1061208
  23. 964430272
  24. 1058089859
  25. 912673
  26. 1092727
  27. 912673
  28. 1157625
  29. 912673
  30. 1039509197
  31. 1157625
  32. 884736
  33. 1036433728
  34. 1021147343
  35. 1295029
  36. 753571
  37. 1030301
  38. 982107784
  39. 944076141
  40. 976191488

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