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Articles

Abstract Algebra for Algebra Teaching: Influencing School Mathematics Instruction

Pages 28-47 | Published online: 30 Dec 2015
 

ABSTRACT

This article explores the potential for aspects of abstract algebra to be influential for the teaching of school algebra (and early algebra). Using national standards for analysis, four primary areas common in school mathematics—and their progression across elementary, middle, and secondary mathematics—where teaching may be transformed by teachers' knowledge of abstract algebra are developed. In each of the four content areas (arithmetic properties, inverses, structure of sets, and solving equations), descriptions and examples of the transformational influence on teaching these topics are used to depict and support ways that study of more advanced mathematics can influence teachers' practice. Implications for the mathematical preparation and professional development of teachers are considered.

Résumé

Cet article se penche sur l'influence potentielle de certains aspects de l'algèbre abstraite sur l'enseignement de l'algèbre scolaire (et l'algèbre élémentaire). En utilisant les normes nationales d'analyse, on développe quatre domaines primaires communs dans les mathématiques scolaires, ainsi que leur évolution au travers des classes de mathématiques élémentaires, intermédiaires et secondaires, lorsque l'enseignement peut être modifié par les connaissances de l'enseignant en algèbre abstraite. Dans chacun des quatre domaines (propriétés arithmétiques, inverses, structure des ensembles et résolution d'équations), des descriptions et des exemples de l'influence transformationnelle sur l'enseignement de ces sujets sont utilisés pour décrire et soutenir l'idée que l'étude de mathématiques plus avancées peut influencer la pratique de l'enseignant. Les conséquences pour la préparation mathématique et le perfectionnement professionnel des enseignants sont examinées.

Acknowledgment

The research presented in this article was consistent with the principles of the research ethics published by the American Psychological Association, except as may be detailed in the article.

Notes

1. Proof. (p + −p) = 0 (additive identity); 1/q(p + −p) = 0 (zero-product); p/q + (−p)/q = 0 (distributive property). Therefore, (−p)/q is the additive inverse of (p/q), indicating that (−p)/q = −(p/q).

2. For example, in a polynomial expression (with positive integer coefficients less than 10), substituting 10 for x results in the base 10 expanded form of a number—that is, x4 + 2x2 + 8x + 3 becomes 104 + 2 · 102 + 8 · 10 + 3 = 10, 283.

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