Pengembangan Perangkat Pembelajaran Dengan Model Problem Based Learning Dengan Berbantuan Software Geogebra Pada Materi Persamaan Garis Lurus Kelas VIII SMP

Lestari, Desy (2022) Pengembangan Perangkat Pembelajaran Dengan Model Problem Based Learning Dengan Berbantuan Software Geogebra Pada Materi Persamaan Garis Lurus Kelas VIII SMP. Other thesis, Universitas Islam Riau.

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Abstract

This study aims to determine the validity, practicality and effectiveness of mathematics learning tools in the form of syllabuses, Learning Implementation Plans (RPP) and Student Worksheets (LKPD) with a Problem Based Learning (PBL) model assisted by geogebra software on the material of straight-line equations class VIII junior high school. The type of development research used is the ADDIE model which consists of 5 stages, namely analysis, design, development, implementation, and evaluation. The research instrument uses validation sheets, student response questionnaires and teacher response questionnaires and tests. data collection techniques using the likert scale. The data analysis technique used is quantitative analysis to determine the validity, practicality and effectiveness. From the results of the study, it was obtained that the percentage of validation on the syllabus was 91.66% with the criterion of "very valid". The rpp validation percentage is 93.65% with the criteria of "very valid". And the percentage of LKPD validation is 87.78% with the criterion of "very valid". The percentage of practicality of student response questionnaires in LKPD is 91.3% with the criteria of "very practical", and the percentage of practicality of teacher response questionnaires in rpp is obtained 96.42% with the criteria of "very practical". And the percentage of effectiveness of the results of the pretest and posttest questions is 79.5% with the criterion of "effective". Thus, mathematics learning tools with a Problem Based Learning (PBL) model assisted by geogebra software on the material of straight-line equations in class VIII junior high school have been tested for validity, practicality and effectiveness. So that learning tools are worth using.

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