How do classroom behavioral expectations support the development of students' mathematical reasoning? A sixth-grade teacher and his students developed this example while discussing a ratio comparison problem.
Signe E. Kastberg, firstname.lastname@example.org, is a mathematics teacher educator at Purdue University in West Lafayette, Indiana. She is interested in the development of understandings of multiplicative reasoning. R. Scott Frye, email@example.com, is the assistant director at Paramount School of Excellence in Indianapolis, Indiana. Frye advocates highly engaging, Standards-based instruction that meets student readiness levels and interests.