PENGARUH PENERAPAN MODEL PEMBELAJARAN CORE TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA

The purpose of this research is to describe the effectiveness application CORE learning model with mathematical problem-solving skills. This quasi-experimental using a control group pre-test and post-test design. subjects are students grades VII A B at SMP Negeri 13 Magelang. Problem-solving ability data were collected tests analyzed t-test for first hypothesis an N-gain test second hypothesis. results study show (1) that there significant difference in abilities compared direct model, (2) increase mode than mode. It can be concluded effective increasing abilities.