Answer to Question #350082 in Geometry for sihle

Question #350082

Development of spatial sense: 2-Dimensional shapes and 3-Dimensional


objects.


25


4.1 Describe van Hiele Level 1 (analysis), Level 2 (informal deduction) and Level 3


(deduction). Demonstrate the difference by using a scalene, isosceles and


equilateral triangle as an example to explain learner thinking at the three


different levels.


Level 1: Analysis (1) How learner thinks about the triangles


at Level 1: (3)


Level 2: Informal deduction


(1)


How learner thinks about the triangles


at Level 2: (3)


Level 3: Deduction (1) How learner thinks about the triangles


at Level 3: (3)


Sketch of scalene, isosceles and equilateral triangles (3)

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