Reasoning about Composite Shapes with Transformations

Jane-Jane Lo, Dana C. Cox
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Abstract

Flexible tasks increase students’ understanding of the properties of triangles, quadrilaterals, and transformations as well as provide opportunities for making and testing conjectures and arguments.
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用变换推理复合形状
灵活的任务增加了学生对三角形、四边形和变换性质的理解,并提供了提出和检验猜想和论证的机会。
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