Abstract
This research aim is to know the students' understanding in adding number up to 20 using traditional game of dakocan and to acquire learning trajectory of adding number up to 20 using traditional game of dakocan for the first grade of primary school. This research used methodology of design research that consists of three phases, there are preliminary design, teaching experiment, and retrospective analysis. Subject of this study is 33 first grade students of Sekolah Dasar Negeri (SDN) 98 Palembang as one of partners' school of Pendidikan Matematika Realistik Indonesia (PMRI). The result of this research shows that the students' understanding in adding number up to 20 can be stimulated by using traditional game of dakocan as a context. All of strategies and model that is used by students and also their result discussion shows how construction and contribution of students can help them to understand concept of adding number up to 20. All the activities that are done by students produce learning trajectory to gain the goal of learning. Each steps of learning trajectory of students has an important role in understanding the concept from informal to the formal level. Learning trajectory using dakocan that is produced consist of playing dakocan, put the model of dakocan to the frame ten dakomatika to understand the relation of part and whole of ten combination in adding number, and solving contextual problem in adding number up to 20.
Highlights
Abstrak Tujuan penelitian ini adalah mendeskripsikan pemahaman siswa terhadap konsep penjumlahan bilangan sampai 20 dan menghasilkan lintasan pembelajaran penjumlahan bilangan sampai 20 menggunakan dakocan, yang berkembang dari bentuk informal ke bentuk formal di kelas I SD
One of aspect in Mathematics based on Kurikulum Tingkat Satuan Pendidikan (KTSP) at level of primary school is number
The fact found in the field at the time of observation in Pendidikan Matematika Realistik Indonesia (PMRI) partner school in Palembang is the students do not understand the concept of adding number
Summary
Abstrak Tujuan penelitian ini adalah mendeskripsikan pemahaman siswa terhadap konsep penjumlahan bilangan sampai 20 dan menghasilkan lintasan pembelajaran penjumlahan bilangan sampai 20 menggunakan dakocan, yang berkembang dari bentuk informal ke bentuk formal di kelas I SD. Hasil dari penelitian ini menunjukkan bahwa pemahaman siswa mengenai konsep penjumlahan bilangan sampai 20 dapat dirangsang dengan menggunakan dakocan sebagai konteks dalam pembelajaran. One of aspect in Mathematics based on Kurikulum Tingkat Satuan Pendidikan (KTSP) at level of primary school is number. Based on the results of these studies, the problems of students encountered in learning addition are caused by the teacher still use instructional method directly on the formal mathematics level. One of the traditional games that can be used as a context for learning adding number up to 20 is Dakocan
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