Kindergarten children's (5-6 years old) ability to communicate geometric shapes, to their classmates, in different modes--verbally, gesturally, schematically--through a game, was investigated. The game motivated the children to describe the shapes in the different modes, by emerging children's thinking process, communication capacity as well as…

Preschoolers' experiences with shapes are important because geometry is foundational to aspects of mathematics and it is now part of the Common Core for school-readiness. Exposure to shapes also provides experiences that are key to developing spatial thinking more broadly. Yet achieving a strong conceptual understanding of geometric categories can…