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mahasiswa01
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PENERAPAN MODEL PEMBELAJARAN INKUIRI TERBIMBING UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL DI KELAS X SMK NEGERI 1 SIBUHUAN mahasiswa01
Jurnal Cermatika Vol. 2 No. 1 (2022): JURNAL CERMATIKA VOLUME 2 NOMOR 1 BULAN APRIL TAHUN 2022
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This study uses problem solving methods in the experimental class A and the cooperative method with the type of Guided Inquiry in the experimental class B. In research that uses problem solving learning, students' mathematical problem solving abilities in experimental class A will be seen. Data on students' mathematical problem solving abilities are obtained by providing description test as many as 5 questions on the pretest and posttest. From previous research data, the researcher obtained tcount = 1.950 and ttable = 1.670. This indicates that the learning outcomes taught using problem solving methods are different from problem solving abilities using the cooperative method of Guided Inquiry. Meanwhile, in the cooperative model of the type of Guided Inquiry, the class became a little noisier and slower because of the change in groups from the initial group to the expert group and from the expert group back to the initial group again. The results of these calculations indicate that the problem solving method and the cooperative method of the type of Guided Inquiry have differences in students' mathematical problem solving abilities. The test results on the problem-solving method and the cooperative method of the Guided Inquiry type showed that students had the ability to state what was contained in the problem into a mathematical model and students could express the correct reasons for the questions given.
PENERAPAN MODEL PEMBELAJARAN DISCOVERY LEARNING UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS VII DI SMP NEGERI 4 MUARA BATANG GADIS mahasiswa01
Jurnal Cermatika Vol. 2 No. 2 (2022): JURNAL CERMATIKA VOLUME 2 NOMOR 2 BULAN OKTOBER TAHUN 2022
Publisher : Program Studi Matematika Universitas Graha Nusantara Padangsidimpuan

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This study aims: (1) To find out the improvement of students' mathematical problem solving by applying the Discovery Learning learning model to the subject of social arithmetic in class VII SMP Negeri 4 Muara Batang Gadis in the 2021/2022 academic year, (2) To determine the level of achievement of problem solving abilities. students' mathematics by applying the Discovery Learning learning model to the subject of social arithmetic in class VII SMP Negeri 4 Muara Batang Gadis for the 2021/2022 academic year, (3) To find out the management of learning carried out by the teacher by applying the Discovery Learning learning model based on problem solving on the subject of arithmetic Social studies in class VII SMP Negeri 4 Muara Batang Gadis teaching 2021/2022 This type of research is classroom action research. The level of problem solving ability in the first cycle is moderate with a class average score of 70.083 with 26 students (72.22%) Implementation of actions in cycle II, high The problem solving ability of students is high with a class average score of 80.47 with 35 students or 80.083% of all students. Thus it can be said that the class has been completed in learning, there are 80% of students who have a moderate level of problem solving ability.
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