patterns of variation

tandfonline.com har udgivet en rapport under søgningen “Teacher Education Mathematics”: ABSTRACT ABSTRACT This article explores the features of students’ reasoning and sense-making when computer programming and mathematics interact, specifically, using the exterior angle concept to make different regular polygons with Scratch as a programming tool. At the end of the 2019 spring term in a public elementary school, data were obtained from a pretest, a posttest, programming tasks, surveys, audio recordings, and research field notes. Fifty-six students aged 13–14 years participated in the study. Concepts from variation theory in combination with a post-structuralist philosophical perspective were used to analyse what features of tasks allow students to experience reasoning and sense-making and what features are discerned in students’ reasoning and sense-making. The results illustrate the features of tasks as well as… Continue Reading →