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Unfolding Fraction Multiplication

Terry Wyberg, Stephanie R. Whitney, Kathleen A. Cramer, Debra S. Monson, and Seth Leavitt 

December 2011, Volume 17, Issue 5, Page 288

Abstract:

Help students understand an important algorithm by using a piece of paper and a number line.

more4u-MTMS-100x23 Podcast from NCTM's 2012 Annual Meeting in Philadelphia, Pennsylvania
The Number Line’s Importance in Understanding Fractions
Presenter: Lauri Susi