Geometry is essential for mathematics learning given that it is strongly related to our surroundings; however, few studies concentrated on using geometry in our daily life, especially using mobile devices with their sensors. Thus, this study proposed one app, Ubiquitous Geometry (UG), and explored its effects on learning angles and polygons in…

Childhood obesity has become a national concern in the U.S. over the past decades. Offering quality physical education programs is one of the effective approaches of a variety of school-based physical interventions. To gain children's attention and their lack of interest in physical movement, physical education teachers have recently employed…