The study aims to develop local wisdom – based teaching materials to improve elementary school students' scientific literacy skills, using a 4-D model: define, design, develop, and disseminate. The subjects of testing included 37 of fourth-grade students at SDN Gading 6 Surabaya. In addition, data were collected through validation sheets, tests of scientific literacy skills, and student questionnaires. The data analysis used descriptive statistics, N-gain, and different tests. The results showed that local wisdom – based teaching materials could be implemented as an alternative source of learning natural science in elementary schools, compliance with the criteria of a) valid in terms of fulfilling the 98% validity assessment score with very valid criteria b) practical reviewed from the 3.64 scores with very good criteria c) effective with a 0.5average N-gain, there are significant differences between the pretest and posttest scores,and 100% of positive responses.
Music correlates to mathematics in the form of pattern concepts, formulas, and calculations that can be used as variations of ethnomathematics-based learning. One of the mathematics learning’s goals, according to the National Council of Teachers of Mathematics (NCTM), is a cultural purpose. This research aims to describe the results of mathematical element analysis in Surabaya regional songs. The research method used was qualitatively descriptive. The data sources used in this study were researchers, literatures, and field practitioners. Data collection techniques used were interviews and documentation studies. The documentation study was carried out by making a literature assessment corresponding to the required data. The data analysis technique used was Miles and Huberman’s models encompassing data reduction, data presentation, and conclusion drawing stages. The results of study showed that there is a mathematical element in the regional song from Surabaya. The mathematical elements found in the analysis of block notation scores and number notations are summation of same-number fractions, summation of different fractions, multiplication of fractions, data processing in modes form, as well as data presentation in the form of tables, bar diagrams, and line charts. In addition to finding the mathematical elements in Surabaya regional songs, this study also proves that there is a correlation between music and mathematics.
Abstract:. The background of this research is based on culture and experiences of the researcher when studying mathematics during became student. As Sidoarjo citizen, researcher never had experienced studying mathematics with local culture. Integration of culture and mathematics known as ethnomathematics. One of cultures in Sidoarjo is batik Jetis. The aim of this research is to exploration mathematics concept in primary school on batik Jetis Sidoarjo. The type of this research is qualitative transformative with writing as inquiry method, postmodern interview, and literature study.The results of this research show that on the steps of the the process batik Jetis Sidoarjo there are some concepts of mathematics. The concepts of the steps berofe production are whole number, the operations of whole number, measurement, and statistics. The concepts of the production process are ordinal number, time, and geometry as straight lines, zig-zag lines, parallel, rotational symmetry, curve, triangle, rhombus, circle, rectangle, oval, fold symmetry, and reflection. Meanwhile, The concepts of after production are measurement, money, and statistic. The results of this research ultimately had an impact on changing views of researcher and teacher who previously thought that culture and mathematics had absolutely not related, changed and understood that culture and mathematics are closly related.Keyword: Batik Jetis Sidoarjo, Ethnomathematics, Transformative Abstrak: Penelitian ini dilatarbelakangi oleh kultur peneliti dan pengalaman peneliti pada saat belajar matematika selama menjadi siswa. Peneliti sebagai orang Sidoarjo tidak pernah mengalami pembelajaran yang dikaitkan dengan budaya setempat terutama dalam pembelajaran matematika. Keterkaitan budaya dan matematika dikenal dengan istilah etnomatematika. Salah satu budaya yang dimiliki oleh Sidoarjo adalah batik jetis Sidoarjo. Adapun tujuan dari penelitian ini adalah untuk mengeksplorasi konsep matematika di sekolah dasar pada batik Jetis Sidoarjo. Penelitian ini berjenis kualitatif transformatif dengan metode autoetnografi melalui writing as inquiry, wawancara semiterstruktur, dan studi literatur. Hasil eksplorasi menunjukkan bahwa pada tahapan pembuatan batik Jetis Sidoarjo terdapat konsep matematika. Pada tahap persiapan produksi terdapat konsep bilangan cacah, operasi bilangan bulat, satuan baku, dan penyajian data. Pada tahap proses produksi terdapat konsep bilangan ordinal, satuan waktu, geometri seperti garis lurus, garis zig-zag, garis sejajar, simetri putar, kurva, segitiga, belah ketupat, lingkaran, persegi panjang, oval, simetri lipat dan pencerminan. Sedangkan pada tahap pasca produksi terdapat konsep satuan panjang, mata uang, dan penyajian data mean, median, modus, grafik, dan tabel. Melalui penelitian ini dapat merubah pandangan dari peneliti dan guru di sekolah dasar yang sebelumnya matematika tidak memiliki hubungan dengan budaya, berubah bahwa matematika dan budaya memiliki kaitan yang erat.Kata Kunci: Batik Jetis Sidoarjo, Etnomatematika, Transformatif
Implementation of LKPD in ethnomathematics-based PMRI in the learning process makes it easier for students to learn the material to count up to 20. The purpose of this study is to describe the effectiveness of using LKPD with the PMRI approach in the learning process. This research method is descriptive qualitative with the type of research design. Research design is used as an appropriate means to an end; conducted in three phases: initial design, teaching trials (first and second cycles), and retrospective analysis. This study allows students to carry out activities starting with contextual situations from the traditional Tengkorek game and then developing them in cutting and counting activities. Indonesian Realistic Mathematics Education (PMRI) underlies the design of contexts and activities. The population sample is students from the 164 Gresik State Elementary School. This study involved grade 1 students, 5 students in cycle I, and 5 students in cycle II (1 student was analyzed in detail). The results of this study can show that these activities can bring student learning from contextual to more formal situations through traditional games as local wisdom. The activities in this study have been successfully implemented in this school, so this activity can be used for other schools. Abstrak Implementasi LKPD dalam PMRI berbasis etnomatematika pada proses pembelajaran mempermudah peserta didik dalam mempelajari materi membilang sampai 20. Tujuan dari penelitian ini adalah untuk mendeskripsikan keefektifan penggunaan LKPD dengan pendekatan PMRI pada proses pembelajaran. Metode Penelitian ini adalah Deskriptif Kualitatif dengan jenis penelitian design. Desain penelitian digunakan sebagai sarana yang tepat untuk mencapai tujuan; dilakukan dalam tiga fase: desain awal, percobaan mengajar (siklus pertama dan kedua), dan retrospektif analisis. Studi ini memungkinkan siswa untuk melakukan aktivitas diawali dengan situasi kontekstual dari permainan tradisional Tengkorek lalu dikembangkan dalam aktivitas menggunting dan membilang. Pendidikan Matematika Realistik Indonesia (PMRI) mendasari perancangan konteks dan kegiatan. Sampel populasi adalah siswa dari Sekolah Dasar Negeri 164 Gresik. Penelitian ini melibatkan siswa kelas 1, 5 siswa pada siklus I dan 5 siswa pada siklus II (1 siswa dianalisis secara detail). Hasil penelitian ini dapat menunjukkan bahwa kegiatan tersebut dapat membawa pembelajaran siswa dari kontekstual ke situasi yang lebih formal melalui permainan tradisional sebagai kearifan lokal. Kegiatan dalam penelitian ini telah berhasil diterapkan di sekolah ini, sehingga kegiatan ini dapat digunakan untuk sekolah lainnya.
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