Pengebangan Design Pembelajaran Tematik untuk Meningkatkan Pemahaman Konsep Bilangan Desimal Siswa Sekolah Dasar

Erna Wirda, Rahmah Johar, M. Ikhsan

Abstract


Abstract: The decimal number is a subject matter that is difficult to understand by elementary school student. Fractions and decimals is seen by the student as two different things. Students are difficult to understand that 1/4 is equal to 0.25 for the different way of writing. This condition causes the teachers need to design learning trajectory that can facilitate students to understand the decimals material. The purpose of this study was to develop a Hypothetical Learning Trajectory (HLT) that can help students understand the concept of decimal numbers. This study involves a teacher and 36 students of fourth grade of elementary school in Banda Aceh. The method used was a design research method that was done by using two cycles they are pilot experiments and teaching experiments. Each of them consists of three stages: (i) preparing for the experiment, (ii) the teaching experiment, and (iii) the retrospective analysis. Research data collection using two kinds of instruments that were the main instrument who was the researcher's herself and supporting instruments consisting of student activity sheets, observation sheets, interview, and field notes. The results showed HLT that was developed can help students understand the concept of a decimal number.

Keywords: Hypothetical learning trajectory, conceptual understanding, decimal numbers


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Copyright (c) 2019 Erna Wirda, Rahmah Johar, M. Ikhsan

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Jurnal Didaktik Matematika

ISSN 2355 – 4185 (print) | 2548 – 8546 (online)

Published by:

Master Program of Mathematics Education incorporated with Himpunan Matematika Indonesia (Indonesian Mathematical Society/IndoMs)

Faculty of Teacher Training and Education

Universitas Syiah Kuala

Darussalam, Banda Aceh, Indonesia - 23111

Website : http://jurnal.unsyiah.ac.id/DM/ 
Email     : jurnal.jdm@unsyiah.ac.id 

Creative Commons License

Jurnal Didaktik Matematika by Program Studi Magister Pendidikan Matematika FKIP Universitas Syiah Kuala is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
Based on a work at http://jurnal.unsyiah.ac.id/DM