One core aspect of learning a language is developing vocabulary, an endeavor that requires a structured and principled focus in the classroom. As the EFL textbook has a central position in the language learning classroom, it should have an important role to play in structuring vocabulary development. Yet, what guides decisions concerning the…

Balancing content and students' participation in the mathematics classroom is an area of both practical and theoretical interest. In this article we relate and contribute to these two interests by analyzing classroom data from an intervention project aiming at teaching mathematics through problem solving. The study shows that several aspects such…