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1. Visualization
Students can name and recognize shapes by their appearance, but cannot specifically identify properties of shapes. Although they may be able to recognize characteristics, they do not use them for recognition and sorting.
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Suggestions for Visualization
 | sorting, identifying, and describing shapes
| | manipulating physical models
| | seeing different sizes and orientations of the same shape as to distinguish characteristics of a shape and the features that are not relevant
| | building, drawing, making, putting together, and taking apart shapes
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Cognitive & Developmental Issues
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Main Menu Van Hiele Main Visualization Analysis Informal Deduction Deduction / Rigor
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Van Hiele Levels of Geometric Reasoning
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