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 The major purpose of the study is to investigate a child''s conceptions of shapes. Shou-Chi(pseudo name), the participant, was a second grader. She has been interviewed seven times so that her activities about rectangles , squares, as well as triangles were video-taped, where records were transcribed into protocols for further analysis. Although conceptions of rectangles, squares and triangles seem different , resulting from analysis of protocoles, Shou-Chi''s conceptions of shapes share the following properties: (a) Shapes means configurations of objects. (b) Labels of shapes are assigned according to the viewer''s different perspectives. (c) Shapes of the same category might be labeled differently, if lengths of consecutive sides apparently differ in ratio. (d) Shapes are analyzed into their components, such as angles, vertexes, edges, and so on, but relationships among components are treated holistically. (e) Although shapes might be labeled differently by perspectives, properties of shapes remained invariant. (f) Right angles are shapes composed by vertical and horizontal lines. (g) Implicit conceptions of congruence and similarity are observed in forms of senori-motor activities.
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 1 3D虛擬實境教學軟體在不同性別及學習風格之數學科學習成就及學習態度之研究---以國小六年級角柱和角錐單元為例 2 發展「立體幾何」教學模組進行補救教學之研究~以國小六年級學童為例 3 國小學童面積概念轉化文本之設計及其教學效果之實驗研究 4 一位國小五年級兒童的平面線對稱前置概念－實際與GSP情境中的意義 5 國小立體幾何動態電腦教材設計與補救教學之研究 6 一個國小兒童的平面基本圖形概念

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