On My Mind: Not All Manipulatives and Models Are Created Equal

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Sally K. Roberts teaches mathematics content and methods courses for elementary and middle school mathematics teachers at Wayne State University, Detroit, MI 48202.

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The vision of the mathematics curriculum articulated in Principles and Standards for School Mathematics (NCTM 2000) calls for students to construct their own understanding of mathematical ideas by making, refining, and exploring conjectures based on evidence and use of a variety of reasoning and proof techniques (p. 3). For many of us who struggled to learn mathematics through a chalk-and-talk, do-it-my-way approach to mathematics instruction, the notion of using models and manipulatives to help the learner construct mathematics knowledge is both refreshing and exciting.

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Her interests include the development of teacher knowledge and early childhood education.

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Mathematics Teaching in the Middle School
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