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Fraction Addition Example

Fraction Addition Example
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2020-04-09 21:55
SequenceGeometric Construction
This example demonstrates fraction addition. It involves basic concepts of fractions and addition. Using GeoGebra commands such as Random, Circle, Sequence, etc., the process of fraction addition is dynamically shown. Suitable for high-grade elementary or junior high school students to learn fraction addition.

GeoGebra Commands & Parameters

  1. Random(2, 10) → D1
  2. Random(2, 10) → D2
  3. Random(1, D1 - 1) → N1
  4. Random(1, D2 - 1) → N2
  5. Circle((5, 5), 1.5) → C1
  6. Sequence(Rotate[B, 360° * i / D1, (5, 5)], i, 1, D1) → list1
  7. Sequence(Segment[A, Element[list1, i]], i, 1, D1) → list2
  8. Sector(C1, B, Element[list1, N1]) → c_1
  9. Circle((9, 5), 1.5) → C2
  10. Sequence(Rotate[D, 360° * i / D2, (9, 5)], i, 1, D2) → list3
  11. Sequence(Segment[C, Element[list3, i]], i, 1, D2) → list4
  12. Sector(C2, C, Element[list3, N2]) → d_1
  13. Circle((5, 1), 1.5) → C3
  14. Circle((9, 1), 1.5) → C4
  15. Sequence(Rotate[F, 360° * i / a, E], i, 1, a) → list5
  16. Sequence(Segment[E, Element[list5, i]], i, 1, a) → list6
  17. Sector(C3, E, Element[list5, b]) → e
  18. Circle((5, 1), 1.5) → C5
  19. Sequence(LCM[D1, D2] * i, i, 1, 5) → Possible
  20. Sequence(Rotate[H, 360° * i / d, G], i, 1, d) → list7
  21. Sequence(Segment[G, Element[list7, i]], i, 1, d) → list8
  22. Sector(C4, G, Element[list7, c]) → g
  23. Circle(G, 1.5) → C6
  24. Textfield(ans5) → inputBox5
  25. Segment(M, N) → j
  26. If(ans6 ∈ Possible, true, false) → S
  27. Textfield(ans1) → inputBox1
  28. Vector(O, P) → u