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Decimals and Fractions-2

Decimals and Fractions-2
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2020-12-12 18:01
This example demonstrates the conversion between decimals and fractions. Key mathematical concepts include fractions, percentages, and similarity transformations. Using GeoGebra commands such as Corner, Point, and Polygon, a series of related geometric figures can be constructed. Suitable for students at the junior high school level and above.

GeoGebra Commands & Parameters

  1. Corner(5) → A_1
  2. Point(Sequence[(k, 0), k, 0, 3.6, 0.1]) → A
  3. Point(Sequence[(x(A) + 0.1, j), j, 0, 1, 0.1]) → B
  4. Polygon((1.3, 0), (2.3, 0), (2.3, 1), (1.3, 1)) → poly3, i, j, k, l
  5. Polygon((2.6, 0), (3.6, 0), (3.6, 1), (2.6, 1)) → poly4, m, n, p, q
  6. If(x(A) ≥ 1 ∧ x(A) < x(Vertex[poly3, 1]) ∨ x(A) ≥ x(Vertex[poly3, 2]) ∧ x(A) < x(Vertex[poly4, 1]) ∨ x(A) ≟ x(Vertex[poly4, 2]), true, false) → integer
  7. Polygon(A, A + (0.1, 0), A + (0.1, If[integer, 0, y(B)]), A + (0, If[integer, 0, y(B)])) → poly8, j_1, k_1, l_1, m_1
  8. Polygon((0, 0), (Min[x(A), 1], 0), (Min[x(A), 1], 1), (0, 1)) → poly5, r, s, t, a_1
  9. Polygon((x(Vertex[poly3, 1]), 0), (Max[Min[x(A), x(Vertex[poly3, 1]) + 1], x(Vertex[poly3, 1])], 0), (Max[Min[x(A), x(Vertex[poly3, 1]) + 1], x(Vertex[poly3, 1])], 1), (x(Vertex[poly3, 1]), 1)) → poly6, b_1, c_1, d_1, e_1
  10. Polygon((x(Vertex[poly4, 1]), 0), (Max[Min[x(A), x(Vertex[poly4, 1]) + 1], x(Vertex[poly4, 1])], 0), (Max[Min[x(A), x(Vertex[poly4, 1]) + 1], x(Vertex[poly4, 1])], 1), (x(Vertex[poly4, 1]), 1)) → poly7, f_1, g_1, h_1, i_1
  11. Polygon((0.8187524918794742, 1.1041021645196354), (1.818752491879475, 1.1041021645196354), (1.818752491879475, 2.1041021645196336), (0.8187524918794742, 2.1041021645196336)) → poly1, a, b, c, d
  12. Polygon((0, 0), (1, 0), (1, 1), (0, 1)) → poly2, e, f, g, h
  13. Sequence(Segment[(0, j), (1, j)], j, 0, 1, 0.1) → list4
  14. Sequence(Segment[(x(Vertex[poly3, 1]), j), (x(Vertex[poly3, 1]) + 1, j)], j, 0, 1, 0.1) → list5
  15. Sequence(Segment[(x(Vertex[poly4, 1]), j), (x(Vertex[poly4, 1]) + 1, j)], j, 0, 1, 0.1) → list6
  16. Sequence(Segment[(i, 0), (i, 1)], i, 0, 1, 0.1) → list1
  17. Sequence(Segment[(x(Vertex[poly3, 1]) + i, 0), (x(Vertex[poly3, 1]) + i, 1)], i, 0, 1, 0.1) → list2
  18. Sequence(Segment[(x(Vertex[poly4, 1]) + i, 0), (x(Vertex[poly4, 1]) + i, 1)], i, 0, 1, 0.1) → list3
  19. If(y(B) < 1, (100 * poly8), 0) → hundredthdigit
  20. Line(C, xAxis) → n_1

AI Drawing Prompt Reference

Draw a series of geometric figures to demonstrate the conversion between decimals and fractions. Start with two adjacent rectangles, then dynamically generate a set of smaller rectangles that partially overlap the larger ones and some stand alone, visually representing the relationship between decimal points and fractions through color and position changes.
The prompt above was compiled from the original drawing commands and is for reference only.