This is the second in a series of articles about the progression documents. The first one, on fractions, appeared in the November 2014 issue of Teaching Children Mathematics.

Supplementary Materials

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Contributor Notes

Temple A. Walkowiak,, is an assistant professor in the Department of Teacher Education and Learning Sciences at North Carolina State University in Raleigh. She is interested in how preservice and practicing teachers translate their knowledge from professional learning experiences into effective instructional practices.

(Corresponding author is Walkowiak
Teaching Children Mathematics


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