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Dividing Fractions by Dave Pfaffle

Dividing Fractions by Dave Pfaffle
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2016-12-03 04:03
TrigonometrySequenceGeometric Construction
This example demonstrates the process of dividing fractions. It involves the core mathematical concept of fraction division. Using GeoGebra commands such as Sequence, Polygon, and Midpoint, the geometric meaning of fraction division is clearly illustrated. Suitable for high-grade elementary or junior high school students.

GeoGebra Commands & Parameters

  1. Sequence(Segment[A + (i, 0), C + (i, 0)], i, 1, d_1) → list1
  2. Sequence(Segment[A + (0, j), B + (0, j)], j, 1, d_2) → list2
  3. Polygon(A, B, D, C) → poly1, a, b, d, c
  4. Polygon(C, E, F, D) → poly2, c_1, e, f, d_3
  5. Sequence(Segment[G - (i, 0), J - (i, 0)], i, 0, d_1) → list3
  6. Sequence(Segment[H + (0, j), G + (0, j)], j, 1, d_2) → list4
  7. Polygon(G, J, K, H) → poly3, g, j, k, h
  8. Polygon(M, L, K, H) → poly4, m, l, k_1, h_1
  9. Midpoint(a) → I
  10. Midpoint(b) → N
  11. Midpoint(j) → O
  12. Midpoint(d) → P
  13. LaTeX($1) → text7
  14. LaTeX(n) → text8