Tasks that have been developed to build a foundation for ratio meanings and language not only provide valuable information about student thinking but also support proportional reasoning.
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Margaret Rathouz, Nesrin Cengiz, Angela Krebs, and Rheta N. Rubenstein
Steve Leinwand, DeAnn Huinker, and Daniel Brahier
This article provides an introduction to the six guiding principles for school mathematics and eight core mathematics teaching practices that appear in the new NCTM document, Principles to Actions: Ensuring Mathematical Success for All.
Juli K. Dixon and Jennifer M. Tobias
Anticipate and address errors that arise when fractions are placed in context and illustrated with models.
Jane-Jane Lo and Yi-Yin Ko
Develop mathematical knowledge by analyzing common student errors and discussing arithmetic, algebraic, and pictorial reasoning.
Esther M. H. Billings, David C. Coffey, John Golden, and Pamela J. Wells
A professional development workshop supports teachers' understanding of the Standards for Mathematical Practice and helps them transfer this knowledge to the middle school classroom.
Lisa A. Dieker, Michelle Stephan, and Jennifer Smith
A conceptual framework can show a general education and a special education teacher how to team teach so that a range of students can learn together in today's classroom.
Lindsay M. Umbeck
A renegotiated classroom culture results in students learning to participate in new ways.
David Rock and Mary K. Porter
A monthly set of problems is aimed at a variety of ability levels.
