This article examines the mathematical activity of five-year-old Liam to explore the difference between the mathematics games designed for children and the children's games that emerge through playful activity. We propose that this distinction is a salient one for teachers observing mathematical play for evidence of mathematical sense making.

It is a controversial issue that magnetism is an interesting topic for children but also the concept is too abstract for the preschoolers. In this study, an action research is conducted that examines whether the designed intervention program based on STEM can be beneficial for 5-6 years old children to learn more about the specific features of the…