CD Tesis
Pengembangan Perangkat Pembelajaran Berbasis Problem Based Learning Pada Materi Skala Dan Denah Untuk Memfasilitasi Kemampuan Pemecahan Masalah Matematis Peserta Didik Kelas V SD/MI
The results of the document review that the researcher conducted on the learning tools used by teachers in several Grade school in Pekanbaru City, obtained information that the learning tools used by teachers did not meet the rules contained in the 2013 Curriculum so they still needed to be improved. This study aims to produce learning tools based on Problem Based Learning on Plans and Scales material to facilitate students in mathematical problem solving abilities for class V Grade school consisting of syllabus, lesson plans and student worksheet that meet valid and practical criteria.
This type of research is research and development. Research data collection instruments are in the form of validation sheets and student response questionnaire sheets. The validation sheet is used to obtain the validator's assessment of the learning device. Learning tools are said to be valid if the average percentage of the validator's assessment is more than 70%. Student response questionnaire sheets were used to obtain data related to the practicality of the student worksheet developed. Learning tools are said to be practical if the percentage of practicality is more than 70%.
This study uses a 4D model with the following stages: (1) define; (2) designs; (3) develop; and (4) disseminate;. First, define the initial-late analysis, student analysis, material analysis, task analysis and goal specification. In the early-late analysis, the researchers conducted interviews with elementary mathematics teachers in Pekanbaru with the focus on interviews about syllabus development techniques, lesson plans, developing competency achievement indicators, formulating learning objectives, using learning models, and student worksheet. At the stage of student analysis, the researcher gave initial test questions to students to see their mathematical problem solving abilities. At the material analysis stage, the researcher conducted an analysis of: (1) the selection of the material being taught; (2) selection of basic competencies; (3) selection of learning resources; and (4) formulation of learning objectives. In task analysis, researchers determine KD and GPA based on the 2013 Curriculum. At the stage of specification of learning objectives, researchers describe learning objectives that are in accordance with the results of concept analysis that are integrated with the preparation of learning tools developed. Second, design: choosing the format and designing the syllabus, lesson plans, and student worksheet. At this stage, the design of the device that will be developed is carried out according to development needs.In the develop stage, researchers develop learning tools according to the initial format that has been compiled, then validated by three validators. The results of the analysis of the validation of the syllabus, lesson plans, and student worksheet showed valid categories with consecutive scores
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obtaining a score of 84.93%; 78.30%; and 83.68% means that the learning tools developed can be tested and revised according to the validator's suggestions.
The researcher tested the revised learning device according to the validator's suggestion to eight students who had heterogeneous abilities to see the practicality of the developed worksheets. The results of the practicality data analysis in the small group trial show the very practical category with a score of 93.64%.
The activities contained in each student worksheet can facilitate students' mathematical problem solving abilities using the Problem Based Learning model. At the orientation stage, students are presented with contextual problems related to the material being studied. Students observe and observe the problems given. In the Organizing stage, students are directed to write down anything that is not understood from the problems that have been presented in the previous stage. Guiding Stage The investigation of students is directed at collecting the information that has been presented to collect data and carry out the problem-solving process that has been previously owned. The stage of developing and presenting the work of students is directed to planning and preparing the final answer. The stage of analyzing and evaluating students is directed to conclude the material being studied.
The drawback of this research is that there is no effectiveness test. Researchers cannot see an increase in students' mathematical problem solving abilities so that the results of the study show that Problem Based Learning-based learning tools on floor plans and scales to facilitate students' mathematical problem solving abilities of fifth grade elementary school students are valid and practical.
Keywords: Learning Devices, Problem Based Learning, Mathematical Problem Solving Ability, Validity and Practicality.
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