Validitas Perangkat Pembelajaran Matematika dengan Metode Penemuan Terbimbing pada Materi Lingkaran Kelas VIII SMP

Reza, Kunalfi and Abdurrahman, Abdurrahman and Ariawan, Rezi and Andrian, Dedek (2021) Validitas Perangkat Pembelajaran Matematika dengan Metode Penemuan Terbimbing pada Materi Lingkaran Kelas VIII SMP. Jurnal Pendidikan Matematika Universitas Lampung, 9 (4). pp. 501-503. ISSN 2338-1183

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Abstract

he purpose of this research is to produce a mathematics learning tool in the form of the lesson plan and student's worksheet using the guided discovery method on the circle material of class VIII junior high school which has been tested valid. This development refers to the Research and Development (R&D) model which includes 10 stages, namely potential and problems, data collection, product design, design validation, design revisions, product trials, design revisions, usage trials, product revisions, and mass production. Modified according to the needs of this research into 6 stages, namely potential and problems, data collection, product design, design validation, design revision, and final product. The data analysis technique used is the descriptive analysis technique. The validation sheet was used as a data collection instrument in this research. The validation sheet is filled out by 3 validators consisting of 2 lecturers of the mathematics education study program FKIP UIR and 1 mathematics teacher. Based on the results of the lesson plan validation, a percentage of 85.6% was obtained with very valid criteria, while the students’ worksheet validation results were 82.6% with fairly valid criteria. This research concludes that mathematics learning tools have been obtained using the guided discovery method in class VII junior high school on the circle material which has been tested valid.

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