LEMBAR KERJA PESERTA DIDIK (LKPD) BERBASIS PROBLEM SOLVING POLYA

2017

Lack of exact use of teaching materials and does not correspond to the needs of student leads to lack of analytical ability of students to the process of problem solving. Research development worksheets based on Polya problem solving on the heat material aims to develop valid LKPD, practical, and effective. Stages of development using the 4D model was modified into 3D, namely define (definition), Design (planning), and Development (development) The results of the validity of the learning device in the category valid, obtained from the calculation of CVI are in the range 0-1 and said in category reliably with r 11 value greater than r tabel (r count > r tabel ). The results of the analysis o…