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Credits

This edition copyright ©2008. See individual pages and media for terms of use.

LEARN NC, a program of the University of North Carolina at Chapel Hill School of Education, finds the most innovative and successful practices in K–12 education and makes them available to the teachers and students of North Carolina — and the world.

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For more great resources for K–12 teaching and learning, visit us on the web at www.learnnc.org.