This research aims to investigate, compare, and describe the achievement and enhancement of students' mathematical communication skills (MCS). It based on the prior mathematical knowledge (PMK) category (high, medium and low) by using Treffinger models (TM) and conventional learning (CL). This research is an experimental study with the population of all students of Mathematics Education Department who took Discrete Mathematics subject matter of one university in the city of Ternate. The results show that (1) the achievement and enhancement of MCSÂ students that used TM are higher than the students learning using CL; (2) Based on the categories of PMK, the achievement and enhancement of MCS of students using TM are also higher than those learning with CL; and (3) There was no interaction effect between learning (TM and CL) and PMK to the achievement and enhancement of MCS of the students.Keyword: Communication Skills, Prior Mathematical Knowledge, Treffinger Model
Belajar matematika masih merupakan hal yang sulit bagi siswa, karena disamping memiliki objek kajian yang abstrak, juga berdasarkan pada pola pikir yang deduktif. Untuk membantu siswa dapat memahami bahkan menjadi senang dalam belajar matematika, hal ini tidak terlepas dari peranan guru. Bagi guru, memahami matematika juga merupakan hal yang sulit, dan lebih sulit lagi adalah mengajarkan kepada siswa untuk dapat dipahami. Karena hal itu membutuhkan strategi, metode, dan pendekatan. Dalam pembelajaran matematika banyak hal yang harus diperhatikan. Di antaranya adalah faktor-faktor yang mempengaruhi kegiatan belajar siswa yaitu: pengalaman, kemampuan, kematangan, dan motivasi siswa. Oleh karena itu, baik teori maupun metode dalam pembelajaran harus disesuaikan dengan kondisi siswa. Agar pembelajaran matematis menjadi bermakna dan dimaknai siswa, maka diperlukan caracara khusus untuk menjadikan siswa termotivasi belajar matematika. Salah satunya adalah penggunaan Metafora. Metafora dapat dipandang sebagai suatu strategi untuk membantu siswa dalam memahami matematika. Makalah ini akan menyajikan tentang apa sebenarnya metafofa, bagaimana menggunakannya dalam pembelajaran dan contoh penggunaannya serta kelebihan dalam menggunakan metafora Kata kunci : Kepedulian, Metafora, Pembelajaran Matematika Mathematics, for most of students, is still considered to be a difficult subject to learn because it does not only possess abstract objects of investigation but it is also based on deductive mindset. Enabling students to understand or even be enjoy learning mathematics, then, will demands good teachers' roles. For teachers, understanding mathematics is also difficult as well. In fact, the most difficult thing for them is how to teach mathematics that can be easily and quickly understood by students. That is why; mathematics teachers need to use exact strategies, methods and approaches. In mathematics learning, there are many things to consider. One of which is factors influencing students' learning activities, namely: their experience, ability, maturation, and motivation. That is why; we, as teachers, need to create learning methods and theories which are adaptive to students' condition. In order to create meaningful mathematics learning which in turn students get the real meaning of it at last, then, we need to use special ways for enabling students to get motivated in learning mathematics. One of these ways is using metaphor. This can be considered as a strategy to help students understand mathematics. This paper will present about what metaphor really looks like, how to use it in learning activities; also, the examples of its use and the benefits we can get from using it in learning will be explained.
Penelitian ini bertujuan untuk mendeskripsikan kemampuan pemecahan masalah matematis siswa dalam menyelesaikan soal sistem persamaan linear dua variabel. Jenis penelitian ini adalah penelitian kualitatif. Teknik pengumpulan data yang digunakan adalah tes, wawancara dan dokumentasi. Siswa diminta untuk mengerjakan soal tes kemampuan pemecahan masalah matematis (KPMM), kemudian diwawancarai berdasarkan kemampuan matematika siswa yang dimiliki untuk memperoleh informasi yang lebih mendalam tentang kemampuan pemecahan masalah matematis siswa dalam menyelesaikan soal sistem persamaan linear dua variabel. Teknik analisis data dalam penelitian ini adalah reduksi data (Data reduction), paparan data (Data display), dan penarikan kesimpulan. Hasil penelitian kemampuan pemecahan masalah matematis siswa dalam menyelesaikan soal sistem persamaan linear dua variabel sebagai berikut: 1) sebanyak 3 siswa (20%) mencapai kemampuan pemecahan masalah matematis dengan kategori tinggi, 2) sebanyak 4 siswa (26,6%) mencapai kemampuan pemecahan masalah matematis siswa dengan kategori sedang dan 3) sebanyak 8 siswa (53,3%) yang berkategori rendah. Sebagian siswa belum mencapai kemampuan pemecahan masalah matematis pada soal sistem persamaan linear dua variabel pada indikator Kemampuan memilih dan mengembangkan strategi pemecahan (meliputi kemampuan memunculkan berbagai kemungkinan atau alternatif cara penyelesaian, rumus-rumus atau penegetahuan yang dapat digunakan dalam pemecahan masalah tersebut), dan Kemampuan menjelaskan dan memeriksa kebenaran jawaban yang diperoleh (meliputi kemampuan mengidentifikasi kesalahan-kesalahan perhitungan, kesalahan penggunaan rumus, memeriksa kecocokan antara yang telah ditemukan dengan apa yang ditanyakan, dan dapat menjelaskan kebenaran jawaban).
Mathematical communication skills are very important, and interactive learning media is a good means to improve students. Therefore, this study aims to describe the design of interactive online learning media, which helps to improve mathematical communication skills. This is a qualitative descriptive study. The data collection instrument used observation, as well as interview guidelines, and were analyzed using a qualitative technique. This study produced interactive instructional media designs to help improve mathematical abilities. The results showed that interactive learning media design is in accordance with students' characteristics, the curriculum, and the project-based learning model. The design was further declared valid, and had the potential to improve mathematical communication skills. Therefore, the study contribution was the integration of mathematical communication skills in interactive online learning media on geometry transformation material.
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