The focus of the current study is to investigate mathematical reasoning and behaviour among a local Indonesian tribe (Sasakese tribe in Lombok) in measurement tradition and their potential integration into mathematics instructions. It is ethnomathematics research where the data are collected through observations, interviews, and artefact studies. The data are analyzed by using the qualitative-verificative approach. The findings indicate that Sasakese in Lombok performs mathematical reasoning and behaviour as a part of their tradition. In their measurement tradition, they have practised several mathematical principles. They have a conception about the role and the use of unit measurements. They have even invented several informal forms of unit measurements. They also have a conversion system of those unite measurements that are similar regarding mathematical principles to those of international standards, such as the metrics standard. They also show their understanding of the idea of ratio and proportion in utilizing the conversion system. Those mathematical traditions potentially inspire mathematics instructions. The tradition can be utilized as didactical phenomenology or as a mean to support students to reach more formal mathematics in teaching about unit measurement as well as ratio and proportion.
[Bahasa]: Pengabdian yang dilakukan bertujuan untuk Berangkat dari kerangka berpikir diatas maka pengabdian dengan tujuan peningkatan kualitas madrasah dengan sosialisasi akreditasi menjadi sangat bermakna, mengingat sasaran pengabdian adalah madrasah ibtidaiyah swasta yang berada diwilayah marjinal kota Mataram. Pelatihan ini akan menggunakan pendekatan pelatihan active learning dimana pembicara hanya merupakan fasilitator dan lebih mengeksplorasi capabilitas audience yang terdiri dari Kepala sekolah, guru dan Tata Usaha sekolah dan melaksanakan rencana tidak lanjut dengan memberikan pemdampingan dan bimbingan teknis sampai dokumen akreditasi dikirim untuk dinilai. Program pelatihan dalam berjalan sesuai rencana, sehingga peserta dapat melihat langsung di LCD dari mempraktekan yang disampaikan oleh narasumber. Para peserta sangat antusias dan senang dalam mengikuti pelatihan. Para peserta mendapatkan tambahan wawasan dan lebih mempersiapkan diri untuk akreditasi madrasah. Rencana tindak lanjut dari kegiatan pengabdian ini memberikan pendampingan selama 2 minggu setelah kegiatan UAS ganjil 2016/2017 sampai pengisian perangkat akreditasi lengkap dan siap dikirim ke badan akreditasi sekolah untuk diberikan penilaian. Kata Kunci: akreditasi sekolah, Madrasah Ibtidaiyah
The lesson plan plays an important role in the achievement of learning objectives. This paper aimed to describe the effect of lesson plan role play on changes in teacher understanding regarding the process of mathematics lesson plan writing using the ELPSA framework. The method used was descriptive qualitative. 13 West Nusa Tenggara math teachers were involved through filling out questionnaires about the lesson plan writing habits among teachers, the usefulness of role-playing, and the impact on the lesson plan improvement process they designed. Results showed that the lesson plan role play was able to change the teacher's understanding, particularly on the importance of clear and communicative lesson designs as well as the sequential and anticipatory learning scenarios included. This change in teachers' understanding also has an impact on the awareness of teachers to improve their draft lesson plan in terms of integrated learning indicators, sequentialness, and the content quality of learning activities and clarity of teaching notes that allow the lesson plan to be more explicit and applicable. Overall, it can be concluded that more than 95% of the teacher respondents stated that role play had a positive influence in the form of a willingness to re-reflect and reconstruct each lesson plan. In general, they gain knowledge and awareness about how to build a good lesson plans so that they have the potential to create activities and an atmosphere of teaching and learning that are interactive, focused, and pay attention to what students already know.
This study aims to describe the profile of students' algebraic thinking with Polya's problem solving strategy in completing a linear program conducted on male students with field independent cognitive style. This research is exploratory research with qualitative approaches. In accordance with the purpose of the study, the subject (single subject) were male student with field independent cognitive style. Single subject were screened from 119 participants (male students in grade X) at a high school in the city of Mataram, Indonesia. The criteria for determining a single subject are male students with field independent cognitive style, and having the highest math scores on linear algebra material. The research instrument consisted of the main instrument (researcher/human instrument) which interacted directly with the subject to explore the subject's algebraic thinking profile, and research aid instruments consisting of the GEFT test, mathematical ability test, linear programming tasks, and interview guidelines. Through Polya's problem solving, the students' algebraic thinking profile has been described, where the subject has represented mathematical ideas using algebraic expressions, the subject interprets algebraic expressions; the subject uses symbolic representations, formulations, and expressions of equations using algebraic conventions; and the subject can interpret the solution.
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