The purpose of this study is to analyse how vocabulary depth develops in the early years of primary school and to ascertain the effect it has on the quality of the texts produced by the students. A total of 332 Spanish students from the first to fourth grades participated by doing a synonyms/antonyms task to evaluate their vocabulary depth, along…

How does teacher-guided whole-class interaction contribute to expanding students' potential for making and exchanging mathematical meanings? We address this question through an interpretative analysis of a whole-group conversation in a sixth grade class taught by an experienced teacher in a school in Southern Argentina. The extended interaction…