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Brizuela, Bárbara M. – Elementary School Journal, 2016
In this article, I analyze episodes from two third-grade classrooms drawn from a larger classroom teaching experiment to explore how these students began to incorporate nonnumerical symbols in their mathematical expressions when asked to represent indeterminate quantities. The article addresses two research questions: What understandings did these…
Descriptors: Grade 3, Mathematical Formulas, Elementary School Mathematics, Mathematics Education