The main aim of this study was to examine how a group of elementary students perceived their engagement in a project-based science intervention investigating the water quality of a local lake. The students collaborated with a scientist to conduct various experiments and used handheld computers to collect and analyze data in order to examine the…

This study examined the influence of virtual manipulatives on different achievement groups during a teaching experiment in four fifth-grade classrooms. During a two-week unit focusing on two rational number concepts (fraction equivalence and fraction addition with unlike denominators) one low achieving, two average achieving, and one high…

In developing "Math Pursuits," we designed a learning environment that helps learners connect mathematics to the world around them. The ultimate goal of this research was to design and assess a learning environment that incorporates distributed scaffolding, which enabled both human and technological supports. Pilot testing was conducted over 3…