In Math Workshop, Second Grade students have been developing their spatial sense and ability to represent and describe the world in our unit of study on Geometry. Second graders have been very excited to learn more about this very "grown-up" topic! Children kicked off the unit with an exploration of polygons, 2-dimensional closed figures made up of 3 or more line segments that meet only at their end point. Children enjoyed finding examples of polygons in their classrooms, at home, and in their neighborhoods. Our study of polygons bridged into an exploration of five basic kinds of 3-dimensional shapes: prisms, pyramids, cylinders, cones, and spheres. In order to identify and sort the shapes, children have been noticing and naming both similarities and differences between them. Using math language to name the different parts of the shapes (such as face, vertex, and edge) can help describe these similarities and differences. A study of shapes provides many opportunities for hands on learning! Children enjoyed finding examples of 3-dimensional shapes at home, which they brought in to help create our "Shapes Museum." Tissue boxes, shampoo bottles, and tennis balls have all featured in our study of Geometry!