SIG-Research in Mathematics Education

Percival Grant Matthews, University of Wisconsin - Madison

Surfacing Partial Understandings: Mathematical Tasks and How We Use Them - Nicholas Charles Johnson, University of California - Los Angeles; Angela Chan Turrou, University of California - Los Angeles; Brandon McMillan, University of California - Los Angeles; Mary Candace Raygoza, Saint Mary's College of California; Megan L. Franke, University of California - Los Angeles

Comparing a Learning Trajectory Approach to a Teach-to-the-Target Approach in Kindergarten Arithmetic - Candace Joswick, University of Denver; Douglas H. Clements, University of Denver; Julie Sarama, University of Denver; Arthur J. Baroody, University of Denver and the University of Illinois at Urbana-Champaign

Developing Elementary Students' Justification Processes Through Number Talks - Dawn Marie Woods, Southern Methodist University

Exploring How Time Tracking Affects Student Fact Performance - Kathryn Rich, Michigan State University; Meg Bates, University of Chicago

From Noticing to Incorporating Negatives: Second Graders' Use of Prior Knowledge on Integer Addition Problems - Mahtob Aqazade, Purdue University; Laura Bofferding, Purdue University; Lizhen Chen, Purdue University