Skripsi
Pengembangan perangkat pembelajaran berbasis penemuan terbimbing pada pokok bahasan sudut pusat dan sudut keliling pada lingkaran beserta hubungannya untuk siswa Kelas VIII SMP / Nawal Yahdillah
Abstrak
The aim of the study was to develop teaching-learning materials namely Lesson Plan (RPP) and Student Worksheet (LKS) based on guided discovery learning on the topics of central angles and inscribed angles of circle and their correlations for Junior High School (SMP) student grade VIII that are valid practical and effective that uses model Plomp research with research procedures including (1) initial assessment phase (2) prototype phase (3) assessment phase. The average validation scores for the development of teaching-learning materials were as follows (1) Lesson Plan (RPP) is 3.89 (2) Student Worksheet (LKS) is 3.89 (3) evaluation test is 3.84 (4) teacher activity observation sheets is 3.82 (5) student activity observation sheet is 3.82 (6) student response questionnaires is 3.89. For the practicality test scores the average score is obtained as follows (1) teacher activity observation sheet is 3.67 (2) student activity observation sheet is 3.57 (3) student response questionnaire is 3.58. The effectiveness test score obtained a score of 80.95%. So that the product is declared valid practical for use and effective.