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Informing Practice
Informing Practice: Developing Symbol Sense for the Minus Sign

Lisa L. Lamb, Jessica Pierson Bishop, Randolph A. Philipp, Bonnie P. Schappelle, Ian Whitacre, and Mindy Lewis 

August 2012, Volume 18, Issue 1, Page 5

Abstract:
Research on how students make sense of and use the minus sign indicates that students struggle to understand the multiple meanings of this symbol. Teachers can support students in developing a robust understanding of each interpretation.

Keywords:
Article
Research
Integers