Metaphors are recognized as bridging scientists' challenges in communication with the public. In mathematics, however, which often involves abstract concepts and relations, less attention has been paid to the role of metaphors in public communication. In this article we examine the metaphors appearing in the discourse of 10 mathematicians in five…

Evidence is widely recognized as an essential component of argumentation. Existing research has primarily focused on students' use of evidence to construct explanations or claims. In the present study, 54 11- to 12-year-old Chinese students participated in an extended discourse-based argumentation curriculum, along with an equivalent…