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初中数学等腰三角形学习进阶的构建与分析 被引量:1

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摘要 等腰三角形是初中数学中的重要学习内容,本文对课程标准和人教版初中数学等腰三角形部分进行分析,确定等腰三角形中涉及的4个核心概念,构建等腰三角形假设学习进阶的7个进阶水平,并对等腰三角形这7个进阶水平进行验证.研究表明各进阶水平难度不同,其中全等三角形(水平2)与概念的联系(水平7)难度较大,这与学生思维发展过程的实际相吻合.
出处 《数学教学研究》 2022年第3期12-15,43,共5页
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