Expert Panel Video

In this video, Dr. Kleiman has an informal conversation, via Google Hangout,  with experts Drs. Kathryn Chval, Barbara Dougherty, and John Lannin from the University of Missouri-Columbia.   The Panel shares their insight and perspective on using the number line effectively, student struggles with number lines, measurement with a ruler, and motivating students. The panel refers to the research of Megan M. Shaughnessy during this discussion.
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