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Didaktik Matematika
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Peningkatan Lapisan Pemahaman Konsep Luas Bangun Datar Mahasiswa melalui Model Pembelajaran PRAKTAK

Sagala, Viktor, Hatip, Ahmad

Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

The objective of this study was to describe the increase in the prospective student teachers’ conceptual understanding of the area of plane geometry by applying the practicum-axiomatic learning model (PRAKTAK). The PRAKTAK learning model is a combination of practicum and axiomatic methods in learning of proving the area of plane geometry. The evaluation was carried out using a modified Pirie-Kieren model of the layers of concept understanding hypothesized in 1994 and developed by cognitive psychology experts from 2002 to 2017. The research subjects were third-semester students of the Mathematics Study Program at FKIP Unitomo Surabaya. A set of questions is administered to the subjects after participating in learning using the PRAKTAK model, followed by an interview. The data of worksheets and interview transcripts were analyzed qualitatively. The results showed that before the implementation of PRAKTAK learning model, the understanding layer of subjects satisfied the first to fourth layers, namely primitive knowing, image making, having images and property noticing. After the implementation of PRAKTAK learning model, the understanding layer of the subjects increased, fulfilling the fifth and half of the sixth layer, namely formalizing and observing. Thus, the subjects met the semi observing layer. The PRAKTAK model can be applied in a geometry learning, and the modified Pirie-Kieren understanding model can be employed as an alternative evaluation tool.

Pengembangan Lembar Self-Assessment untuk Meningkatkan Kemampuan Pemecahan Masalah Siswa SMP melalui Pendekatan Saintifik

Sari, Ismi Amalia, Yusrizal, Yusrizal, Duskri, M.

Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Students’ ability to solve mathematics problems, especially problem-solving questions, is still relatively low despite the 2013 curriculum requiring students to be able to solve such questions and expecting the learning process to apply a scientific approach. This learning process requires students to be more engaged and teachers to facilitate students experiencing difficulties during the learning process. However, teachers have a little knowledge of the difficulties experienced by students in the learning process because the learning process conducted in the classroom does not provide enough information concerning the students’ difficulties. Students’ self-assessment can help students in identifying their difficulties, and the teacher can choose the right strategies to overcome them. Therefore, it is necessary to develop learning instruments encouraging students to engage more in assessing their abilities which in turn improving their problem-solving abilities.  This study aimed to develop and produce the valid, practical and effective self-assessment sheet and student worksheet to improve students’ problem-solving skills employing scientific approach. This study was development research referring to the Dick and Carey model. The learning instruments trials were conducted at one of the junior high schools in Banda Aceh. The results of the study found that the self-assessment sheet and student worksheet employing the scientific approach satisfied the criteria of being valid, practical and effective. Thus, teachers and students can use this self-assessment sheet and worksheet to improve the quality of learning in schools.

Efektivitas Pembelajaran Matematika Menggunakan Bahan Ajar Berbasis Integrasi Interkoneksi terhadap Peningkatan Kemampuan Berpikir Kritis Mahasiswa

Suparni, Suparni

Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

This purpose of this study was to analyze the effectiveness of Mathematics instruction employing the instructional materials based on the interconnection integration on students critical thinking ability. This is a quasi-experimental research utilizing the pre-test post-test control group design. The subjects of this research are all students of Mathematics Education Study Program Faculty of Science and Technology UIN Sunan Kalijaga Yogyakarta who enrolled in Mathematics Learning Strategy course (48 students in experimental class and 31 students in control class). Data was collected using test and questionnaires. Data analysis was carried out by using t-test. Based on the result, it is identified that Mathematics instruction using the instructional materials based on the interconnection integration is more effective than conventional instruction to improve students’ critical thinking ability of Mathematics Education Study Program Faculty of Science and Technology UIN Sunan Kalijaga Yogyakarta

Pengaruh Pendekatan Pembelajaran Konstruktivisme dan Self-Efficacy Siswa terhadap Kemampuan Komunikasi Matematis Siswa

Yati, Amin Asri, Marzal, Jefri, Yantoro, Yantoro

Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

This study concerned on the influence of constructivism and student self-efficacy approach to mathematical communication. The ability of mathematical communication and self-efficacy of student-controlled students is very important for students. This research sought to examine (1) the influence of learning approach of constructivism to mathematical communicative ability, (2) the influence of student self-efficacy toward students mathematical communication ability, (3) influence of constructivism and student self-efficacy approach to students mathematical communication ability. This is a quantitative research employing the pretest-posttest non-equivalent control group design, the population in this study is all Year 7 students of junior high school. Data collection was done by student mathematical communication skills test and student self-efficacy attitude scale. This study found that the use of constructivism and self-efficacy approach significantly influence students mathematical communication skills and there is no interaction between students’ mathematical communication skills and self-efficacy using the constructivism learning approach.

Peningkatan Kemampuan Pemecahan Masalah dan Berpikir Kritis Matematis Siswa melalui Pendekatan Metakognitif

Fasha, Ainuna, Johar, Rahmah, Ikhsan, M.

Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Mathematical problem solving and critical thinking is two skills that need to be improved through learning mathematics. Metacognitive approach is one approach to improve them. This study aims to examine differences in the improvement of problem solving skills and mathematical critical thinking between students who get learning with a metacognitive approach and students who get conventional learning. This research is an experimental study with a pre-test post-test control group design research design. The population was all students of class XI of SMAN 3 Banda Aceh by taking samples of two classes, namely the experimental class and the control class through purposive sampling technique. Data collection was carried out using problem solving ability tests and mathematical critical thinking tests. Data analysis used t-test and analysis of variance. The results show that overall the improvement of students mathematical problem solving and critical thinking skills that are learning with a metacognitive approach are better than students who obtain conventional learning, and there is an interaction between learning approaches and student ratings on mathematical problem-solving abilities

A Multigroup Invariance Analysis and Gender Difference of Students’ Self-efficacy and Attitude Concerning Mathematics

Elizar, Elizar, Darmawan, I Gusti Ngurah

Didaktik Matematika Vol 5, No 2 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

This article aimed to examine multigroup invariance of Mathematics Self-efficacy and Attitude Scales (MSAS) and examine the differences of MSAS in term of gender. 1135 (630 female and 505 male) Year 9 students in Aceh, Indonesia were involved in the study. The invariance analysis was performed to investigate whether the items in the MSAS are behaving identically for Year 9 female and male students in the province of Aceh, Indonesia. The results reported the indication of multigroup equivalence of the MSAS between gender (p-value is not statistically significant or ∆CFI ≤ 0.01). An independent t-test indentified that students’ attitude concerning mathematics is significantly different between gender of students. Female students’ positive attitude concerning mathematics is higher compared to male students’. This study may be used as one of the evidences as for the needs to enhance male students attitude toward mathematics.

Pengembangan Perangkat Pembelajaran Pembuktian Menggunakan Model Pembelajaran Guided Inquiry untuk Meningkatkan Kemampuan Geometri Siswa Sekolah Menengah Atas

Hamimi, Lia, Ikhsan, M., Abidin, Zainal

Didaktik Matematika Vol 5, No 1 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Mathematical proof is one aspect that must be considered in learning mathematics in school. One of the obstacles that students experience on geometry is the difficulty of constructing proof. The specific learning materials are not available yet. To achieve that goal required a  learning materials for teaching mathematical proof using Guided Inquiry model. This research is a developmental research using ADDIE model consisting of five stages, namely Analyze, Design, Development, Implementation, and Evaluation stage. The experimental subjects in this study were one class of students at year 12 at one of senior high school at Banda Aceh. Based on the results obtained that the learning materials consisting of lesson plan, students’ worksheet, handout, and test are categorized as valid, practical, and effective. The recommandation of this study is learning materials can be implemented for teaching mathematical proof in senior high school.

Kemampuan Berpikir Kreatif Siswa SMP melalui Model Problem Based Learning

Siviani, Rika, Zubainur, Cut Morina, Subianto, Muhammad

Didaktik Matematika Vol 5, No 1 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Creative thinking ability of students is still low and less attention in the implementation of the learning of mathematics. Some efforts are needed to foster creative thinking ability because of lack of creative thinking ability in the learning of mathematics. One of effort is applying Problem Based Learning (PBL) Model. The purpose of this research was (1) to describe the creative thinking ability of students during the learning process with PBL Model, and (2) to determine the increase of the creative thinking ability of students after implementation of PBL model. This research used mixed methods with concurrent triangulation strategy. Samples were selected by random sampling from all grade 8 students from one of junior high school at Banda Aceh, those were 28 students in class VIII-3. The instrument used to obtain data of the creative thinking ability of students after learning with PBL Model was test and observation. The instrument used to obtain data to determine the increase of the students’ creative thinking ability after learning with the PBL model were pretest and posttest. Test and observations were analyzed by using an assessment rubric of creative thinking abilities with descriptive qualitative method. The result of pretest and posttest were analyzed by statistical tests using t-test. The results showed that the students were creative in solving problems during the learning process with model of PBL. There was increasing creative thinking abilities of students after learning with PBL Model. The implication of this research indicates that creative thinking abilities of students increase through PBL model.

Profil Berpikir Kritis Siswa dalam Menyelesaikan Soal Fungsi Komposisi melalui Model Pembelajaran Kolaboratif

Ulfa, Icha Shofia Karlita, Trapsilasiwi, Dinawati, Yudianto, Erfan

Didaktik Matematika Vol 5, No 1 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

Critical thinking is one of the high-level thinking. Mathematics learning in globalization era usually uses critical thinking in solving problems. Mathematics is always thought as the difficult one to be learnt. This research will describe students critical thinking profile in solving the function of compositions through collaborative learning. This reseach can be used as the reference for teachers to recognize students critical thinking profile in their class, and also it can be used to motivate students to enhance their critical thinking ability. The critical thinking criterias are focus, reason, inference, situation, and overview. That criterias include eleven indicators. The type of collaborative learning in this research is Learning Together (LT). This research is descriptive with qualitative approach. The data were collected by documentation, observation, test, and interview. The subjects of this research are six students who are two high-achiever students, two medium-achiever students, and two low-achiever students from one of senior high school at Jember. High-achiever students can achieve all criterias of critical thinking and they dominate the role in learning and teaching activity. The medium-achiever students only fulfill focus in the first and second indicator, reason in the second, and inference, situation, clarity, and overview in the second indicator and also can join in the collaborative learning. While, the low-achiever students can only look to other students without get engaged actively in collaborative learning and only achieve focus in the first and second indicators of situation.

Pengembangan Bahan Ajar Materi Garis Istimewa pada Segitiga dengan Pendekatan Problem Posing berbantuan Geogebra

Nurhayati, Elis, Nengsih, Winda, Rohaeti, Euis Eti, Herdiman, Indri

Didaktik Matematika Vol 5, No 1 (2018): Jurnal Didaktik Matematika
Publisher : Universitas Syiah Kuala

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Abstract

This study is a developmental research aiming to produce Geogebra-assisted teaching and learning materials through Problem Posing for topic of Line Special in Triangle at year 7. This study uses Thiagarajan’s model of developmental research, without disseminate stage. The learning materials developed in this study were lesson plans and student worksheets. The subjects of this study were grade seven students at a private school in Cianjur Regency. In total, 13 male and 15 female students participated in this study. The results of this study show that (1) based validators’ review, the research instruments developed in this were very valid and practical, (2) based on students’ response, teaching materials fulfilled the practical category, and (3) based on the implementation in the classroom, student worksheets satisfied the effective category.