Penelitian ini bertujuan menganalisis peningkatan kemampuan komunikasi matematis melalui bahan ajar yang dikembangkan berbasis pembelajaran matematika realistik, menemukan bahan ajar yang efektif berbasis Pembelajaran Matematika Realistik, menemukan karakter bahan ajar berbasis Pembelajaran Matematika Realistik dalam meningkatan kemampuan komunikasi matematis dan menganalisis perbedaan kemampuan komunikasi matematis siswa antara siswa yang diberi pembelajaran matematis realistik dengan siswa pada pendekatan ekspositori siswa. Jenis penelitian ini adalah Reseacrh and Development (R&D) dengang Model ADDIE (Analyze, Design, Developmet, Implementation and Evaluation). Subjek dalam penelitian ini adalah seluruh peserta didik SD Negeri 060791 Medan Area yang terdiri dari dua kelas yaitu kelas V masing-masing sebanyak 20 peserta didik dan objek penelitian adalah pengembangan bahan ajar berbasis Pembelajaran Matematika Realistik (PMR) yang berupa buku guru dan siswa. Hasil yang diperoleh dalam penelitian ini adalah (1) Terdapat peningkatan Kemampuan komunikasi matematis melalui bahan ajar yang dikembangkan berbasis pembelajaran matematika realistik siswa SD Negeri 060791 Medan Area; (2) Bahan ajar berbasis Pembelajaran Matematika Realistik yang dihasilkan efektif digunakan dalam meningkatan kemampuan komunikasi matematis siswa SD Negeri 060791 Medan Area; (3) Terdapat peningkatan karakteristik bahan ajar yang efektif dalam kemampuan komunikasi matematis siswa yang dihasilkan dalam penelitian adalah Self instructional, Self Contained dan User friendly dan (4) Terdapat perbedaan kemampuan komunikasi matematis siswa antara siswa yang diberi pembelajaran matematis realistik dengan siswa pada pendekatan ekspositori siswa SD Negeri 060791 Medan Area.
The purpose of this study was to produce Student Worksheet (Lembar Kerja Peserta Didik / LKPD) and PISA-based test instruments that were valid, practical, effective and able to improve students mathematical representation abilities. This type of research was the Tessmer model development research. The trials in this study were conducted in class X-Science 3 and X-Science 4 of SMA Negeri 1 Dolok Batu Nanggar. From the results of trial I and trial II obtained: (1) LKPD and PISA-based test instruments on the developed RME model were valid and practical, but have not met effective criteria namely: a) classical student completeness of more than 85%; b) achievement of learning objectives of more than 75% for each item; c) students who gave a positive response of more than 80%; and d) achievement of learning time was the same as regular learning time; and (2) there was an increase in the average mathematical representation ability of students in the first trial was 0.4 with moderate and in the second trial was 0.6 in the medium category.
In mathematics learning, the determination of the approach greatly determines student learning outcomes, because mathematics subjects are assessed for students as quite difficult subjects, this assessment appears due to the discomfort experienced by students during the learning process in class. The method used in this research is an experimental method with two-way ANOVA test analysis. This study aims to determine differences in learning outcomes through the PMR and PMR approaches based on the Math App game in terms of student learning styles. The research was conducted at SD IT Tadzkia Langsa with a total sample of 34 students. The data collection technique uses the distribution of learning style questionnaires and by conducting tests (pre-test and post-test). This study found that there were differences in learning income between PMR and PMR based on the Math App game based on a significant value of 0.045 <0.05. Then there were also differences in learning styles based on the results of the SPSS calculation with a significant value of 0.049 <0.05. Whereas in the interaction section between the learning style approach and learning style, it was found that there was an interaction between the learning style approach and the learning style with a significant value of 0.018 <0.05.
Penelitian ini bertujuan: untuk menganalisis peningkatan dan mengembangkan kemampuan berpikir spasial serta kemampuan resiliensi matematis siswa dengan menggunakan perangkat pembelajaran kooperatif type Course Review Horay dan Media Geogebra yang dikembangkan, untuk menganalisis validitas, kepraktisan dan keefektifan perangkat pembelajaran yang dikembangkan dengan kooperatif type Course Review Horay dan Media Geogebra dalam meningkatkan kemampuan berfikir spasial dan resiliensinya. Jenis penelitian ini adalah penelitian pengembangan dengan model ADDIE. Penelitian dilaksanakan di MTs. Al-Washliyah Tembung sebanyak 33 siswa. Hasil penelitian menunjukkan bahwa dari 33 orang peserta didik sebanyak 32 mengalami peningkatan kemampuan berpikir spasial atau setara dengan 97%. Sedangkan peningkatan kemampuan resiliensi matematis peserta didik hanya mengalami peningkatan sebesar 19 dari 33 orang peserta didik atau setara dengan 58%. Dari hasil penelitian juga menunjukkan bahwa model pengembangan ini lebih efektif digunakan untuk meningkatkan kemampuan berpikir spasial dan kemampuan resiliensi matematis daripada model pembelajaran yang biasa digunakan didalam kelas, perangkat pembelajaran yang dikembangkan dengan kooperatif type Course Review Horay dan Media Geogebra dinyatakan valid, praktis dan efektif dalam proses pembelajaran.
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