PENGEMBANGAN POCKET BOOK DIGITAL BERBASIS MASALAH PADA MATERI SISTEM PERSAMAAN LINEAR DUA VARIABEL (SPLDV) UNTUK MEMFASILITASI KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA SISWA KELAS VIII SMP NEGERI 7 TULANG BAWANG BARAT
Keywords:
math problems, digital pocket book, linear equationAbstract
This study aims to: 1) analyze the feasibility of problem-based digital Pocket Books on the material of the Two-Variable Linear Equation System (SPLDV) in terms of media validity, 2) analyze the responses of teachers and students to the use of problem-based digital Pocket Books on the material of the Two-Linear Equation System Variables (SPLDV) are reviewed from the attractiveness and practicality of the media, and 3) analyze the effectiveness of problem-based digital Pocket Books on the material of the Two-Variable Linear Equation System (SPLDV) in facilitating mathematical problem-solving skills. This research is research and development with the ADDIE model. The validation results for the digital pocket book material obtained a value of 4.53, the media validation obtained a value of 4.50, and the language validation obtained a value of 4.36, all of which were in the "Valid" criteria. The results of the student response questionnaire obtained an average value of 4.55 with the "Interesting" criteria, and the results of the teacher's response questionnaire obtained an average of 4.83 with the "Practical" criteria. Student learning completeness which describes students' mathematical problem solving abilities in the "High" category with classical completeness of 91%. It can be concluded that product development is feasible to use as a learning medium.
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