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Fraction Addition Demonstration by Auston B Cron (2)

Fraction Addition Demonstration by Auston B Cron (2)
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2017-03-12 02:13
PolygonVectorTrigonometryCoordinate GeometryGeometric Construction
This example demonstrates the geometric representation and addition of fractions. It involves core mathematical concepts such as fraction operations, geometric figure construction, vectors, and polygons. GeoGebra commands and objects like Point, If, Ray, Polygon, Sequence, Textfield, Segment, Vector, FractionText are utilized in the construction. Suitable for middle school and above, it aids in visualizing fraction addition and geometric applications.

GeoGebra Commands & Parameters

  1. Point(yAxis) → C
  2. Point(Segment[C + (0, h), C + (0, (1.85 * h))]) → B
  3. If(t ≤ 0.5, 0, (2 * (t - 0.5))) → t2
  4. If(t ≤ 0.5, (2 * t), 1) → t1
  5. Point(Segment[B + (0, h), B + (0, (1.85 * h))]) → A
  6. Ray((0, 1.9), (0, 2.9)) → f
  7. Polygon({A, A + (l, 0), A + (l, h), A + (0, h)}) → poly1
  8. Polygon({B, B + (l, 0), B + (l, h), B + (0, h)}) → poly2
  9. Sequence(Segment[A + ((i * l / a1), 0), A + ((i * l / a1), h)], i, 1, a1 - 1) → list1
  10. Sequence(Segment[B + ((i * l / a2), 0), B + ((i * l / a2), h)], i, 1, a2 - 1) → list2
  11. Polygon({A, A + ((b1 * l / a1), 0), A + ((b1 * l / a1), h), A + (0, h)}) → poly3
  12. Polygon({B, B + ((b2 * l / a2), 0), B + ((b2 * l / a2), h), B + (0, h)}) → poly4
  13. Sequence(Sequence[Segment[A + ((i * l / a1) + (j * l / ((a1 * c1))), 0), A + ((i * l / a1) + (j * l / ((a1 * c1))), h)], j, 1, c1 - 1], i, 0, a1 - 1) → list3
  14. Sequence(Sequence[Segment[B + ((i * l / a2) + (j * l / ((a2 * c2))), 0), B + ((i * l / a2) + (j * l / ((a2 * c2))), h)], j, 1, c2 - 1], i, 0, a2 - 1) → list4
  15. If(a1 ≟ a2, true, false) → equald
  16. If(equald ∧ ((Div[b1 + b2, a1] > 0) ∨ (GCD[b1 + b2, a1] > 1)), true, If[(Div[(b1 * c1) + (b2 * c2), (a1 * c1)] > 0) ∨ (GCD[(b1 * c1) + (b2 * c2), (a1 * c1)] > 1), true, false]) → simplify
  17. Textfield(a1) → InputBox1
  18. Textfield(b1) → InputBox2
  19. Textfield(a2) → InputBox3
  20. Textfield(b2) → InputBox4
  21. Polygon({A', A' + (l, 0), A' + (l, h), A' + (0, h)}) → poly5
  22. Polygon({B', B' + ((b2 / a2 * l), 0), B' + ((b2 / a2 * l), h), B' + (0, h)}) → poly6
  23. Polygon({A', A' + ((b1 * l / a1), 0), A' + ((b1 * l / a1), h), A' + (0, h)}) → poly7
  24. Polygon({B', B' + ((b2 * l / a2), 0), B' + ((b2 * l / a2), h), B' + (0, h)}) → poly8
  25. Sequence(Sequence[Segment[A' + ((i * l / a1) + (j * l / ((a1 * c1))), 0), A' + ((i * l / a1) + (j * l / ((a1 * c1))), h)], j, 1, c1 - 1], i, 0, b1 - 1) → list8
  26. Sequence(Sequence[Segment[B' + ((i * l / a2) + (j * l / ((a2 * c2))), 0), B' + ((i * l / a2) + (j * l / ((a2 * c2))), h)], j, 1, c2 - 1], i, 0, b2 - 1) → list9
  27. Segment(C - (0, 0.5), C - (0, 1)) → g
  28. Segment(C + ((b1 / a1 * l), -0.5), C + ((b1 / a1 * l), -1)) → i
  29. Segment(C + ((b1 / a1 * l) + (b2 / a2 * l), -0.5), C + ((b1 / a1 * l) + (b2 / a2 * l), -1)) → j
  30. Vector(Midpoint[g], Midpoint[i]) → u
  31. Vector(Midpoint[i], Midpoint[g]) → v
  32. Vector(Midpoint[i], Midpoint[j]) → w
  33. Vector(Midpoint[j], Midpoint[i]) → a
  34. Sequence(Segment[A' + ((i * l / a1), 0), A' + ((i * l / a1), h)], i, 0, b1) → list6
  35. Sequence(Segment[B' + ((i * l / a2), 0), B' + ((i * l / a2), h)], i, 0, b2) → list7
  36. Sequence(Polygon[{C + ((i * l), 0), C + ((i * l) + l, 0), C + ((i * l) + l, h), C + ((i * l), h)}], i, 1, floor(b1 / a1 + b2 / a2)) → list5
  37. Segment(B', B' + ((b2 / a2 * l), 0)) → k
  38. Segment(B' + ((b2 / a2 * l), h), B' + (0, h)) → m
  39. If(b1 / a1 + b2 / a2 ≥ 1, true, false) → improper
  40. FractionText(b1 / a1 + b2 / a2) → text19
  41. FractionText(b1 / a1 + b2 / a2 - 1) → text20
  42. Sequence(Sequence[Segment[C + ((i * l / ((a1 * c1))) + (j * l), 0), C + ((i * l / ((a1 * c1))) + (j * l), h)], i, 1, (a1 * c1) - 1], j, 0, If[b1 / a1 + b2 / a2 ≤ 1, 0, 1]) → list10

AI Drawing Prompt Reference

Draw a geometric representation of fraction addition. Start by creating point C on the y-axis, then create point B above C. Construct two equal-length segments starting from B and C, respectively, and extend them upwards. Use these points and segments to construct two parallelograms representing the geometric representation of fractions. Then, input the numerators and denominators through input boxes to construct multiple small rectangles representing the addition of fractions. Finally, calculate and construct the result of the fraction addition, and use arrows to represent vectors.
The prompt above was compiled from the original drawing commands and is for reference only.