摘要：In this work we describe an architecture that supports the composition of web based lesson plans for math based on a database of fine grained mathematical components. Lessons can be tailored for different communities of users. For this research, the principal target community of users is middle school mathematics teachers. Our goal is to build a web accessible resource of pedagogical material for grades K-12 math that can be used and reused in a variety of contexts from teacher remediation to lesson preparation through to student use of the lesson. The web based lessons are generated on the fly from a database of fine grained components that include explanations, interactive activities, worksheets, images, videos, audio, FAQ's, online questions and challenges. We present a prototype system based on this architecture that includes functionality for teachers, students and parents. The prototype also includes a graphical interface for easily creating and reusing lesson content.
关键词：Online education; Web access; Mathematics; Dynamic composition
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