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Number Construction

Number Construction
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2014-10-06 10:24
Polygon
This example demonstrates how to construct number shapes using points and polygons, visually illustrating place value concepts. Core math concepts include points, polygons, sequences, intersection calculations, and area measurement. Construction highlights involve GeoGebra commands like Intersect, Point, Polygon, and Sequence for building digit shapes and calculating areas. Suitable for primary teachers teaching decimal place value and geometric constructions.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Point(xAxis) → B
  3. Point(yAxis) → D
  4. Polygon(A, B, C, D) → poly1, a, b, c, d
  5. Polygon(M, N, O, P) → poly2, m, n, o, p
  6. Polygon(R, S, T, Q) → poly3, r, s, t, q
  7. Sequence("poly" + (ii), ii, 4, counter) → List
  8. Polygon(E, F, G, H) → poly4, e_1, f, g, h