The purpose of this article is to synthesize and analyse the most frequently occurring, widely dispersed and pedagogically useful lexical bundles in mathematical texts. Drawing on a five-million-word corpus of graduate-level textbooks, a total of 65 academic sequences meeting a predefined set of length, frequency and distribution criteria are…

This article serves as the introduction to this special issue of "Language Teaching Research" on content-based language teaching (CBLT). The article first provides an illustrative overview of the myriad contexts in which CBLT has been implemented and then homes in on the five studies comprising the special issue, each conducted in a…

This article uses activity theory to consider how teacher learning and development occurs. It aims to show that imitation and orienting activity, both of which make use of the analysis of actions into means and goals, can help explain how a group of Malaysian mathematics and science teachers learned to use the language-teaching practice of tasks…