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Siagan, Meryance V.; Saragih, Sahat; Sinaga, Bornok – International Electronic Journal of Mathematics Education, 2019

This study aims to analyze the effectiveness of learning materials oriented on problem-based learning models, the improvement mathematical problem solving ability and students' metacognition ability. Learning materials that developed are lesson plan, student book, student worksheet, mathematical problem solving ability and students' metacognition…

Descriptors: Instructional Materials, Problem Based Learning, Models, Student Improvement

Hasibuan, Ainul Marhamah; Saragih, Sahat; Amry, Zul – International Electronic Journal of Mathematics Education, 2019

The purpose of this study is to develop learning materials based on realistic mathematics education approach that are valid, practical and effective to improve problem solving skills and learning independence of class VII students. This research is a development research that uses a design model for materials development according to Thiagarajan,…

Descriptors: Instructional Materials, Material Development, Mathematics Instruction, Mathematics Education

Peranginangin, Siska Apulina; Saragih, Sahat; Siagian, Pargaulan – International Electronic Journal of Mathematics Education, 2019

The aim of this study was to analyze the effectiveness of learning materials through Problem Based Learning with Karo Culture Context (PBL-KCC), as well as improving students' mathematic problem solving ability and student self-efficacy. Learning materials developed were lesson plan, student book, student worksheet, mathematic problem solving…

Descriptors: Instructional Materials, Problem Based Learning, Grade 7, Junior High School Students

Ulandari, Lavenia; Amry, Zul; Saragih, Sahat – International Electronic Journal of Mathematics Education, 2019

This study aims to analyze the effectiveness of learning materials based on realistic mathematics education approach, as well as improving mathematical problem solving ability and student self-efficacy. Learning materials that developed were lesson plan, student book, student worksheet, mathematical problem solving ability test and self-efficacy…

Descriptors: Material Development, Instructional Materials, Mathematics Education, Mathematics Skills

Simamora, Rustam E.; Saragih, Sahat; Hasratuddin – International Electronic Journal of Mathematics Education, 2019

Qualified learning materials is needed in the efforts to improve the quality of teaching-learning mathematics. Qualified learning materials can be obtained through development research. Learning materials in this study were learning materials that were developed based on guided discovery learning model. The learning materials was also developed by…

Descriptors: Self Efficacy, Mathematics Education, Discovery Learning, Problem Solving