PENERAPAN MODEL PEMBELAJARAN MATH TALK LEARNING COMMUNITY UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR ALJABAR SISWA
Kata Kunci:
Kemampuan Berpikir Aljabar, Math-Talk Learning Community, SegiempatAbstrak
Penelitian ini dilatarbelakangi oleh kesulitan siswa SMP dalam berpikir aljabar, yang ditandai dengan rendahnya kemampuan siswa dalam memaknai variabel. Tujuan Penelitian ini adalah untuk menganalisis penerapan pembelajaran dengan menggunakan model Math-Talk Learning Community dalam meningkatkan kemampuan berpikir aljabar siswa. Penelitian ini merupakan penelitian kuasi eksperimen dengan desain kelompok kontrol non-ekivalen. Populasi penelitian ini adalah seluruh siswa kelas VII pada salah satu SMP Negeri di Kota Metro pada semester genap. Sampel ditentukan berdasarkan pada teknik purposive sampling dan materi yang dipilih adalah bangun datar segiempat. Adapun dua kelas yang terpilihadalah kelas VII.4 sebanyak 29 siswa sebagai kelas eksperimen yang menggunakan pembelajaran dengan model Math-Talk Learning Community dan kelas VII.3 sebanyak 29 siswa sebagai kelas kontrol yang menggunakan pembelajaran dengan model biasa Data kemampuan berpikir aljabar siswa diperoleh menggunakan instrumen tes kemampuan berpikir aljabar yang diberikan kepada siswa yang diteliti sebelum siswa diberi perlakuan (pretest) dan setelah diberi perlakuan (posttest). Hasil penelitian menunjukkan bahwa peningkatan kemampuan berpikir aljabar siswa yang memperoleh pembelajaran dengan menggunakan model Math-Talk Learning Community lebih tinggi secara signifikan dari pada siswa yang memperoleh pembelajaran dengan menggunakan model biasa ditinjau berdasarkan keseluruhan siswa
ABSTRACT This research is motivated by the difficulty of junior high school students in thinking algebra, which is characterized by the low ability of students to interpret variables. The purpose of this study is to analyze the application of learning by using the Math-Talk Learning Community model in improving students' algebraic thinking skills. This research is a quasi-experimental research with non-equivalent control group design. The population of this study were all seventh grade students at one of the public junior high schools in Metro City in even semester. The sample was determined based on purposive sampling technique and the material chosen was quadrilateral flat shapes. The two classes selected were VII.4 class of 29 students as an experimental class using learning with the Math-Talk Learning Community model and VII.3 class of 29 students as a control class using learning with the usual model. The data on students' algebraic thinking ability was obtained using an algebraic thinking ability test instrument given to the students studied before the students were given treatment (pretest) and after being given treatment (posttest). The results showed that the increase in algebraic thinking ability of students who received learning using the Math-Talk Learning Community model was significantly higher than students who received learning using the usual model based on the overall students
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Referensi
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