Abstract This study focuses on understanding the ways in which integration of art and dynamic geometry software (DGS) into geometry influenced middle school teachers’ understanding of geometric concepts that are difficult to teach, and their perceptions of teaching these topics. The study indicated that art materials combined with DGS played different roles in teachers’ understanding of geometry: in some cases, they helped acquisition of new knowledge and development of deeper conceptual knowledge while addressing misconceptions; in other cases, they helped the retention of knowledge by association with the activity; and in some cases, they facilitated the transfer of knowledge and development of strategic knowledge. Study results also indicated that integration of art combined with DGS led to a higher level of creative engagement that supported productive struggle and helped teachers appreciate and understand pedagogy differently. Lastly, the teachers made connections from learning mathematics content to the pedagogy of teaching that same content.
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