CD Tesis
Pengembangan Perangkat Pembelajaran Matematika Menggunakan Model Connecting Organizing Reflecting Extending Berbasis Kontekstual Untuk Memfasilitasi Kemampuan Penalaran Matematis Peserta Didik Pada Materi SPLDV
This research is motivated by the weakness of teachers in compiling learning tools such as syllabus and Learning Implementation Plans in accordance with the 2013 curriculum. The learning process in the 2013 curriculum is student-centered learning, students are expected to be active in learning activities. One of the learning resources needed by students in learning activities is the Student Worksheet, student worksheet should be designed to be able to facilitate the ability of students to find the concept of the material being studied. In fact, the worksheet used by students is worksheet that comes from publishers, where the worksheet only contains a summary of the material and formulas so that students are not required to think to find the concept of the material and make learning meaningless. Based on these problems, researchers feel the need to develop a mathematics learning tool using a contextual-based Connecting Organizing Reflecting Extending model to facilitate students' mathematical reasoning abilities on SPLDV material.
The type of research used is research and development. Development of learning tools using the ADDIE development model with stages 1) Analysis (performance analysis, competency analysis, and analysis of learning device needs); 2) Design (designing materials, choosing formats, and designing learning tools); 3) Development (validation of learning tools by validators); 4) Implementation (small group trial of learning tools); 5) Evaluation (evaluation is carried out at each stage of the development of learning tools). The learning tools developed are the syllabus, lesson plans, student worksheet, and mathematical reasoning ability test questions. The instrument used to collect the research data was in the form of validation sheets for the syllabus, lesson plans, student worksheet, and mathematical reasoning ability test questions, and to determine the level of practicality of using learning tools, student response questionnaires were used.
Learning tools are declared valid if the average percentage obtained is more than 70%, and the device can be tested. The device is declared practical if the average value obtained is more than 3.4. The validation of learning tools is carried out by the validator, the results of the validation are analyzed, so that the average percentage for the syllabus is 93.75% with a very valid category, for lesson plans it is 93.45% with a very valid category, for student worksheet it is 91.18% with very valid category, and 90% for mathematical reasoning ability test questions with very valid category. Based on the results of the validation data
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analysis, the designed learning device meets the very valid criteria and can be tested. The learning tools were tested in small groups of 8 students, after using the learning tools, students were asked to fill out a response questionnaire to the learning tools that had been used. The results of the student response questionnaire data analysis showed an average value of 4.0 with the practical category. Based on the results of student response questionnaire data analysis, the learning tools that have been developed meet the practical criteria, the practicality of the learning tools is evidenced by the interest and ease of use of the learning tools used by students in the form of worksheet, students are interested in the learning steps and the pictures presented are related. with students.
Keywords: CORE Model, Contextual, Learning Tools, Mathematical Reasoning Ability.
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