Examples that teachers choose and use are fundamental to what mathematics is taught and learned, and what opportunities for learning are created in mathematics classrooms. This qualitative multiple case study, using Sfard's commognitive theory, draws attention to mathematics teachers' classroom practices during functions lessons which is…

From a cognitivist theory stance, domain-specific subject knowledge is necessary for deep learning and cognitive advance. What opportunities for deep learning and cognitive advance are provided in geography classrooms? This analysis of teaching in geography classrooms is framed by the concepts of deep learning, pedagogic discourse, and a…

Noise, although ubiquitous, is seldom considered as a factor that may impede learning. In South Africa, most learners are multilingual and learn in English, which is their second language. Most noise studies have been conducted in the Global North, where the school context differs from the Global South. In this article, using questions selected…

More than a thousand Grade 10 Physical Science learners from four South African provinces participated in a study that probed their conceptions of energy. The purpose was to determine the learners' conceptual resources, i.e. their initial conceptions, and identify the potentially productive resources from which they may construct physics concepts.…

In the era of mobile devices and services, researchers in the educational domain have been interested in how to support learning with mobile technology in both local and global contexts. Recent human-computer interaction (HCI) research in the educational domain has particularly focused on how to develop mobile learning services and how to evaluate…