How Are New Textbooks Aligned to CCSSM – Geometry Through Transformations

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Abstract/Description:

In this session, we share results of our work that examined how new middle grades textbooks are organizing and presenting transformational geometry concepts aligned to CCSSM. We explore what happens when there is a mismatch and how to identify a mismatch between the mathematical content presented in the books and what CCSSM teachers are held accountable to teach.


Location: NCTM Conference, San Francisco, California
Presenter:

Lisa Kasmer, Grand Valley State University; Shannon Dingman, University of Arkansas; Travis Olson, University of Nevada-Las Vegas; and Dawn Teuscher, Brigham Young University