KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK DALAM MENYELESAIKAN MASALAH MATEMATIKA MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING DI KELAS VII SMP NEGERI 1 GLAGAH LAMONGAN
Abstract
Kemampuan berpikir kritis dapat melatih peserta didik membuat keputusan dari berbagai sudut pandang secara cermat, teliti, dan logis. Dengan kemampuan berpikir kritis, peserta didik dapat mempertimbangkan pendapat orang lain serta mampu mengungkapkan pendapatnya sendiri. Oleh karena itu pembelajaran di sekolah sebaiknya melatih peserta didik untuk menggali kemampuan dan keterampilan dalam mencari, mengolah, dan menilai berbagai informasi secara kritis. Model pembelajaran yang digunakan guru seharusnya dapat membantu proses analisis peserta didik. Salah satu model pembelajaran tersebut adalah model pembelajaran Problem Based Learning. Dengan menerapkan model pembelajaran Problem Based Learning pada pembelajaran Matematika diharapkan peserta didik akan mampu menggunakan dan mengembangkan kemampuan berpikir kritis untuk menyelesaikan masalah dengan menggunakan berbagai strategi penyelesaian. Oleh karena itu, penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kritis peserta didik dalam menyelesaikan masalah matematika melalui model pembelajaran Problem Based Learning.
Penelitian ini merupakan penelitian deskriptif kuantitatif. Penelitian ini dilaksanakan di SMP Negeri 1 Glagah Lamongan pada kelas VII-A sebanyak 15 peserta didik tahun akademik 2017/2018. Metode pengumpulan data adalah metode tes. Metode tes digunakan untuk mendapatkan data kemampuan berpikir kritis peserta didik dalam menyelesaikan masalah matematika. Instrumen yang digunakan dalam penelitian ini adalah tes kemampuan berpikir kritis.
Hasil Penelitian menunjukkan bahwa rata-rata kemampuan berpikir kritis peserta didik berkategori tinggi, dengan rincian 9 peserta didik atau 60% memiliki kemampuan berpikir kritis sangat tinggi, 3 peserta didik atau 20% memiliki kemampuan berpikir kritis tinggi, 2 peserta didik atau 14% memiliki kemampuan berpikir kritis sedang, sedangkan 1 peserta didik atau 6% memiliki kemampuan berpikir kritis rendah
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