The knowledge of fractions and decimals that children develop in the elementary grades provides an essential foundation for the study of algebra and more advanced mathematics, but most teachers and students consider the topic challenging. Share your approaches to facilitating children's understanding of fractions and decimals. What classroom activities and ideas do you use to help children make sense of fractions and decimals as numbers, benchmarks, measures, quotients, or as operators? The TCM Editorial Panel invites you to share your ideas on developing K–grade 6 students' number sense for fractions and decimals. We are especially interested in manuscripts that describe ideas that have been informed by research and implementation in classrooms.
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DeAnn Huinker, Steve Leinwand, and Daniel Brahier served as lead writers for Principles to Actions: Ensuring Mathematical Success for All. Huinker, firstname.lastname@example.org, is a professor of math education at the University of Wisconsin–Milwaukee. Leinwand, email@example.com, is a principal research analyst at the American Institutes for Research in Washington, D.C. Brahier, firstname.lastname@example.org, is a professor of math education at Bowling Green State University, Ohio.