Development of learning using Indonesian realistic mathematics education approach to build students' relational understanding of derivative

Abstract

This study used a design research method aiming to develop the local instructional theory on learning derivative to build relational understanding in class XI Cikarang Utara Senior High School using Indonesian Realistic Mathematics Education (PMRI) approach. Design research consists of three phases that are preparation and design, teaching experiment and retrospective analysis. Stages of building a relational understanding of students assisted by using the context of changes in body weight in infants. This study has 6 activities organized in Local Instructional Objectives. Subjects of this study consisted of 6 senior high school students XI MIPA Cikarang Utara. The data collection has been done by using paper and pencil method, interview method and the method ostensive. The validity of the data used internal and external validity. While the reliability of data using triangulation of data and cross interpretation. All data collected and analyzed in a retrospective analysis. A retrospective analysis showed that the context used can develop the students'relational abilities derivative. The teacher played a major role in directing the learning activities that the learning objectives achieved as instructional objectives that have been prepared.