Middle school students need opportunities to craft informal mathematical arguments beyond justification of steps in an algorithm. Pentominoes provide an excellent vehicle for such activity. In this article, the authors describe an exploration with pentominoes that engaged a group of ninth-grade students in proportional reasoning, dilation, and…

Describes a ninth-grade class project where students were asked to recall a specific sense memory involving smell and foods. They wrote a brief narrative reflecting on the experience and created a recipe card for the food. These were combined with a pictorial representation of the food for a final project. (MJP)