Abstract
Mathematics learning is associated with 21st-century skills such as communication, collaboration, critical thinking in problem-solving, creativity, and innovation. To help students obtain these skills, a learning project was developed through Pendidikan Matematika Realistik Indonesia (PMRI) approach by using fruit salad recipes and collaborative learning based on the Lesson Study for Learning Community (LSLC) system. The primary purpose of this study was to develop fruit salad recipes to assist junior high school students in solving problems using mean, social arithmetic, and data presentation. It employed design research type validation studies using photos, fruit salad products, and document reviews as data collection techniques. The research subjects were 27 students of grade 8 from a junior high school in Palembang. This study resulted in a learning trajectory consisting of two activities and post-test questions. In the first activity, the students can analyze and solve problems in planning fruit salad recipes with material averaging, social arithmetic, and data presentation. In the second activity, the students can make fruit salads and write recipes based on skills to make fruit salad products. The results of this study demonstrate that in project-based learning through PMRI with the context of fruit salad recipes and the LSLC system, students can learn collaboratively. The learning helps them solve problems by using average material, social arithmetic, and data presentation in developing fruit salad recipes.
Highlights
Abstrak Pembelajaran matematika dikaitkan dengan keterampilan abad 21 seperti komunikasi, kolaborasi, berpikir kritis dalam pemecahan masalah, kreativitas, dan inovasi
Results and discussion of project learning used the context of fruit salad recipes by applying the steps of the Project-Based Learning (PjBL) learning model, the Pendidikan Matematika Realistik Indonesia (PMRI) approach, and collaborative learning
We made a fruit salad recipe learning project in grade 8 because the teachers know the condition and abilities of the students. They explored what learning materials the students have learned. They are appropriate in designing learning instruments that will be implemented based on the first stage of preliminary design in design research
Summary
Abstrak Pembelajaran matematika dikaitkan dengan keterampilan abad 21 seperti komunikasi, kolaborasi, berpikir kritis dalam pemecahan masalah, kreativitas, dan inovasi. Untuk membantu siswa memperoleh keterampilan tersebut, dikembangkan suatu proyek pembelajaran melalui pendekatan Pendidikan Matematika Realistik Indonesia (PMRI) dengan menggunakan resep salad buah dan pembelajaran kolaboratif berbasis Lesson Study for Learning Community (LSLC). Tujuan utama penelitian ini adalah mengembangkan resep salad buah untuk membantu siswa SMP dalam memecahkan masalah menggunakan mean, aritmatika sosial, dan penyajian data. Pembelajaran ini membantu mereka memecahkan masalah dengan menggunakan materi ratarata, aritmatika sosial, dan penyajian data dalam menyusun resep salad buah. Mathematics learning guides students in achieving the 21st or 4C century skills, including communication, collaboration, critical thinking, problem-solving, creativity, and innovation (Putri & Zulkardi, 2018). Learning is about obtaining knowledge and about creating new knowledge communicatively and collaboratively when facing complex problems This requires interdisciplinary and innovative knowledge (Iwamoto, Hargis, & Vuong, 2016), by the 21st century skills, namely ways of thinking. PjBL in Indonesia can be said to be the operationalization of the concept of "Production-Based Education" developed in schools that must be able to equip students with the "competency standards" needed to work in their respective fields (Sumarni, 2015)
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