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Saputri, Nety Wahyu
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Education Mathematics Other

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Mathematical Modeling Learning Design with PISA Framework on Grade X Function Saputri, Nety Wahyu; Zulkardi; Darmawijoyo
Mathematics Education Journal Vol. 16 No. 3 (2022): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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Mathematical Modeling is the cornerstone and central aspect of the PISA framework. However, students still encounter difficulties in dealing with problems related to mathematical modeling. This study aims to produce a learning trajectory of mathematical modeling on functions material using the context of an online taxibike. Mathematical modeling activities on functions material are designed using the mathematical modeling cycle in the PISA framework. The subjects in this study were students of class X Bina Ilmi IT Senior High School Palembang. The research method used is validation studies. The research consisted of three stages, namely the preparation stage, the experimental design stage consisting of two cycles (cycle I: pilot experiment and cycle II: teaching experiment) and the retrospective analysis stage. Data was collected through observation, interviews and written test (students' work on the activity sheet and the results of pre-test and post-test). The results showed that learning activities that have been designed can assist students in solving mathematical modeling problems on functions. It begins with the formulate, employed, interpret/evaluate process. Through these mathematical modeling processes, students have a better understanding of functions and become accustomed to using mathematical modeling processes in solving contextual problems related to function material.DOI: https://doi.org/10.22342/jpm.16.3.17228.289-302
Pengembangan LKPD Pemodelan Matematika Siswa SMP Menggunakan Konteks Ojek Online Saputri, Nety Wahyu; Zulkardi
Mathematics Education Journal Vol. 14 No. 1 (2020): Jurnal Pendidikan Matematika
Publisher : Universitas Sriwijaya in collaboration with Indonesian Mathematical Society (IndoMS)

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The aim of this research is to generate LKPD (student worksheet) that is valid, practical, and has potential effects on student’s proficiency to create mathematical modeling. The research based on the fact that students’understanding and ability to engage mathematical concepts and real world problems in order to solve them are inadequate. Therefore, mathematical modeling is employed to assist students solve mathematical real world problem. Online Ojek is utilized as the context for student worksheet and the queries are given by adopting mathematical modeling phase. This study is a design research type of development study. The qualities of developed product shall support the progress of students in understanding problems, formulating mathematical models, and solving real world problem systematically applying Blum’s theory of mathematical modeling phase and PMRI characteristics. The subjects were 25 junior high school students from grade VII in Palembang. The results suggest that student worksheet fulfils validity indicator based on validators’ evaluation, practicality as evaluated from small group phase, and possess potential effects as assessed from students’ test results that were handed by the field test phase. The test results showed that 72% of students were categorized as good towards the ability of mathematical modeling after using the developed student worksheet.
Co-Authors Darmawijoyo, Darmawijoyo Zulkardi