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ERIC Number: EJ1154106
Record Type: Journal
Publication Date: 2017-Sep
Pages: 4
Abstractor: ERIC
ISSN: ISSN-1072-0839
Nurturing Argumentation and Reasoning with Pentominoes
Edwards, Michael Todd; Meagher, Michael S.; Özgün-Koca, S. Asli
Mathematics Teaching in the Middle School, v23 n1 p54-57 Sep 2017
Middle school students need opportunities to craft informal mathematical arguments beyond justification of steps in an algorithm. Pentominoes provide an excellent vehicle for such activity. In this article, the authors describe an exploration with pentominoes that engaged a group of ninth-grade students in proportional reasoning, dilation, and spatial visualization while encouraging them to engage mathematical argumentation. (A bibliography is included.)
National Council of Teachers of Mathematics. 1906 Association Drive, Reston, VA 20191. Tel: 800-235-7566; Tel: 703-620-9840; Fax: 703-476-2570; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Middle Schools
Audience: Teachers
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A