This collaborative article by a middle school teacher and her college faculty mentor explores the use of visual representations of data--specifically, using sociograms to explore peer relationships in an eighth-grade setting. The sociograms revealed the complexity and changing nature of relationships among students and informed classroom-based…

When teachers provide students with every opportunity to visually understand a mathematical concept, process, definition, or notation, they allow them to construct and manipulate relevant and useful images in their minds. Visual understanding has a dynamic character that they do not easily develop with alphanumeric symbols alone despite the…