Role-play is an oral classroom activity that has been promoted to provide young learners with opportunities to practice English in meaningful contexts. To familiarize elementary students with this group task, to encourage them to pay attention to their peers' performances, and to replace traditional paper-and-pencil modes of evaluating speaking…

This study implemented a three-stage problem-based estimation instruction scenario and combined it with mobile technology to provide elementary teachers with an effective e-tool for observing student estimation and leading effective class or group discussions on the selection and assessment of appropriate strategies for solving daily estimation…