Abstract

I följande artikel diskuteras vad som karaktäriserar lärares handlingar som främjar elevers engagemang, i en lärandeverksamhet där de tillsammans med sina klasskamrater utforskar de geometriska begrepp som relaterar till begreppet cirkel. Data består av tre forskningslektioner i årskurs 2 där lärandeobjektet handlar om att reflektera över relationer mellan cirkelns fyra begrepp; mittpunkt, radie, diameter och cirkelbåge. Resultatet visar att lärares handlingar som fokuserade på de geometriska begreppen riktades mot både empiriska och teoretiska aspekter. Indikationer på utveckling av lärandeverksamhet kunde urskiljas i situationer där läraren introducerade, kopplade tillbaka, bekräftade, provocerade, inkluderade och fördjupade detaljer om begreppen som relaterar till cirkel. Med stöd av lärarhandlingar, som bestod av frågor, gester och konstruktioner på den gemensamma tavlan, möjliggjordes elevernas utforskande av begreppet cirkel. Teachers’ opportunities to promote students’ theoretical work with geometric concepts – a learning activity about circle The following article discusses what characterise teachers‘ actions that promote students’ engagement, in a learning activity where they, together with their classmates, explore the geometric concepts related to the concept of circle. The data consists of three research lessons in grade 2 where the learning object is about reflecting on relationships between the four concepts of the circle: centre, radius, diameter and arc. The result shows that teachers' actions focusing the geometric concepts were directed towards both empirical and theoretical aspects. Indications of developing learning activity were discerned in situations where the teacher introduced, connected back, confirmed, provoked, included and deepened details about the concepts that relate to circle. Supported by teacher actions, consisting of questions, gestures and constructions on the joint board, students' exploration of the concept of circle was enabled.

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