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Constructive Triangles - Small Hexagonal Box

Purpose:

  • To show the various plane figures included in a hexagon.
  • To discriminate geometric forms
  • To develop growth in concentration and independence.

Age:

4.5 years old.

Material:

  • The small hexagonal box of constructive triangles which contains
  • Six gray equilateral triangles with black lines on two sides. When these black lines are mapped the triangles form three rhombi or two trapezia, which, when joined, form a hexagon
  • Three green equilateral triangles, one of which has black lines on two sides and two with black lines on one side. When these black lines are mapped, the triangles form a trapezoid
  • Six red isosceles obtuse triangles which have a black line on the side opposite to the obtuse angle. When these thse black lines are mapped, the triangles form three rhombi, which, when joined, form a hexagon.
  • One yellow equilateral triangle which represents half the size of the red hexagon.
  • Two red equilateral triangles with a black line on one side. When these triangles are mapped, the triangles form a rhombus equal to that which can be formed by two of the gray equilateral triangles, or two of the red isosceles obtuse triangles.
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