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Double Number Line Model for Percentages

Double Number Line Model for Percentages
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2015-10-14 09:27
Coordinate GeometryGeometric Construction
This example demonstrates how to parallelize percentage measurements with linear measurements (cm/in) using a double number line. It involves core math concepts like percentages, integers, and linear measurements. Constructed with GeoGebra commands such as Segment, Point, OrthogonalLine, Intersect, Polygon, and Textfield. Suitable for middle school and above mathematics education to understand the relationship between percentages and linear measurements.

GeoGebra Commands & Parameters

  1. Segment(A, B) → a
  2. Segment(C, D) → b
  3. Point(a) → E
  4. OrthogonalLine(E, a) → c
  5. Intersect(c, b) → F
  6. Point(a) → G
  7. Polygon(H, I, J, K) → poly1, h, i, j, k
  8. Segment(L, M) → e
  9. Segment(N, O) → f
  10. Segment(P, Q) → g
  11. Segment(R, S) → l
  12. Segment(T, U) → m
  13. Segment(L1, M1) → n
  14. Segment(N1, O1) → p
  15. Segment(P1, Q1) → q
  16. Segment(R1, S1) → r
  17. Segment(T1, U1) → s
  18. Textfield(RV) → InputBox1
  19. Segment(A3, B3) → a_1
  20. Segment(C3, D3) → b_1
  21. Segment(Q3, P3) → c_1
  22. Segment(S3, R3) → d_1
  23. Segment(A5, B5) → e_1
  24. Segment(C5, D5) → f_1
  25. Segment(E5, F5) → g_1
  26. Segment(G5, H5) → h_1
  27. Segment(V5, W5) → i_1
  28. Segment(T5, U5) → j_1
  29. Segment(R5, S5) → k_1
  30. Segment(P5, Q5) → l_1