Division C - Learning and Instruction / Division C - Section 1c: Mathematics

Elida Velez Laski, Boston College

Effects of Observing and Judging Mistakes on Preschoolers' Definitional Shape Knowledge - Christina Areizaga Barbieri, University of Delaware; Brianna Devlin, University of Delaware; Alyssa Glynn; Mia Farinella, University of Delaware

Moving Across a Counting Learning Trajectory Strengthens Arithmetic Strategies for Kindergartners at Risk for Math Difficulties - Menglong Cong, University of Denver; Traci Shizu Kutaka, University of Virginia; Grant Goble, University of Denver; Victor Carrasco, University of Denver; Douglas H. Clements, University of Denver; Julie Sarama, University of Denver

Opening Pathways to Teaching: Mathematics Professional Development for Paraeducators in a Diverse Urban District - Karen Mutch-Jones, TERC; Judy Storeygard, TERC

Exploring Relations Between Classroom-Level Strategic Diversity and Achievement in Early Mathematics - Douglas H. Clements, University of Denver; Denis Dumas, University of Denver; Yixiao Dong, University of Denver; Holland Windels Banse, University of Alabama; Julie Sarama, University of Denver; Crystal A Day-Hess, University of Denver