Daftar Isi:
  • This study aims to describe RPP validation, students' concept of understanding ability, and problem solving ability of students on learning using Problem Based Learning and Jigsaw learning model. Problem-Based Learning and Jigsaw learning models emphasize that students can learn maths in groups, discuss, solve problems, learn in conveying materials to other students. This research uses descriptive qualitative and quantitative approach. The data taken in this research is RPP validation, students' concept comprehension ability, students problem solving ability. The object of this research is the students of class VIII A2 SMP Negeri 1 Kalitengah, Lamongan. While the data collection techniques used are questionnaires and tests. The results of this study indicate the suitability between the implementation of learning with learning plans that have been made, the percentage of validation RPP of 90.62% with very good category and very well used, the percentage of students' concept understanding of 88.3% with very good category, student problem solving skills amounted to 84.5% with very good category. Thus, the model of Problem Based Learning and Jigsaw learning is used in learning mathematics in the classroom.