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Teaching and Assessing Polygons Using Technology

Using dynamic geometry software to teach geometry can transform the way we approach teaching and learning. Meaningful technology based tasks allow students to discover mathematics on their own and construct their own understanding. Furthermore, they require active engagement of students and encourage higher level thinking. They challenge students to think about mathematical ideas in a new light. In the following article we will show how technology helped us create an engaging learning environment for a unit on Polygons as well as share strategies that have helped us implement technology effectively. Through various age appropriate activities students explore polygons and their properties, make conjectures, test them, reason about geometric ideas as well as demonstrate understanding and ability to apply their knowledge of polygons. For every lesson we prepare a „Sketchpad notebook”. This „notebook” contains basic theory, a few solved examples (step by step), as well as problems for individual exploration/learning. Class usually begins with a discussion and a presentation of examples followed by individual work by students. At that time, we introduce new terminology and concepts students are not able to discover on their own.

geometry, teaching, assisment, dynamic geometry software, polygons

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