Nowadays, digital technologies are crucial in supporting students in geometry in secondary mathematics classrooms. However, in some cases, the role of visual function in technology was only utilized for seeing and conjecturing, not for experimenting, while to develop a relational understanding of geometry concepts, students should actively…

In the past decades, collaborative game-based learning has been used to facilitate students' learning in authentic learning contexts. Although several previous studies have reported the potential of this approach for students' learning performance and motivation, unequal participation could negatively influence the learning effectiveness of…

This article traces the interaction of multimodal semiotic resources within and across tasks constituting a science unit on surface tension in an eighth-grade sheltered science classroom. Two discourses, operating simultaneously, realized differently motivated signs. This article follows the contribution of linguistic and extralinguistic modes…

This study examined the role of perceptions of task difficulty in relation to self-perceptions of ability, intrinsic value, attainment value, and performance. Seventy-nine 8th graders completed surveys prior to task instruction and after the last practice session. Two days later, they completed a skill test. Participants who perceived the Lunastix…