Analysis of the argumentation of nine-year-olds engaged in discourse about comparing fraction models

Cheryl K. Van Ness; Carolyn A. Maher

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Analysis of the argumentation of nine-year-olds engaged in discourse about comparing fraction models

机译：关于比较级数模型的九岁历史论者论证的论证分析

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摘要

In this paper we analyze the argumentation of nine-year-olds as they justify their reasoning for a fraction comparison problem. We illustrate how their proof-like arguments evolve in a class discussion and are backed by the rod models they produce, showing both valid and invalid arguments.

机译：在本文中，我们分析了九岁的论点，因为他们为分数比较问题证明了他们的推理。我们说明了他们的校验参数如何在类讨论中发展，并通过它们生成的杆模型来支持，显示有效和无效的参数。

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《Journal of Mathematical Behavior》 |2019年第2019期|共29页
作者
Cheryl K. Van Ness; Carolyn A. Maher;
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作者单位

Rutgers University United States;

Rutgers University United States;

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原文格式 PDF
正文语种 eng
中图分类数学;
关键词
Argumentation; Fractions; Fourth grade mathematics; Reasoning; Modeling; Teacher education; Proof; Toulmin; Cuisinaire rods; VMCAnalytic; RUanalytic; Video Mosaic Collaborative; Argumentation diagrams;

机译：争论;分数;四年级数学;推理;建模;教师教育;证明;塔卢林;COONENAIRE棒;VMC分析;分析;视频马赛克协作;论证图;
入库时间 2022-08-20 09:32:36

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机译：关于比较级数模型的九岁历史论者论证的论证分析
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Analysis of the argumentation of nine-year-olds engaged in discourse about comparing fraction models

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