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All Journal Jurnal Basicedu Jurnal Basicedu Journal of Technology, Mathematics and Social Science (J'THOMS)
Noviana, Sa'in
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Aerospace Engineering Computer Science & IT Education Engineering Mathematics Social Sciences Other

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Assessing The Characteristics of Elementary School Students' Mental Models in Understanding The Concept of Integers Utami, Anita Dewi; Zainudin, M.; Noviana, Sa'in
Jurnal Basicedu Vol. 5 No. 6 (2021)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v5i6.1649

Abstract

This study aims to reveal the characteristics of the mental model of elementary school students in understanding the concept of integers. The subjects in this study were selected based on outlier criteria or unique responses to a series of tests given to 30 students of the third grade of elementary school. As a result, two students were chosen as research subjects. The research data were collected through observation and interviews. Observation made by the researchers were direct observations, in which the researchers see and observe the activities of students in doing the test. In addition, the researchers also conducted interviews with research subjects. The results of the students' works were reviewed, and then interviews were conducted to clarify the students' answers. The results showed that the characteristics of elementary school students in understanding integers did not always move from the synthetic stage to the formal stage, but there were lower grade students who were able to solve contextual problems related to integers. The process of forming students' formal mental models can be seen when they solve the temperature rise problem by counting fingers and comparing them with the zero symmetry position between negative and positive integers.
Assessing The Characteristics of Elementary School Students' Mental Models in Understanding The Concept of Integers Utami, Anita Dewi; Zainudin, M.; Noviana, Sa'in
Jurnal Basicedu Vol. 5 No. 6 (2021)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/basicedu.v5i6.1649

Abstract

This study aims to reveal the characteristics of the mental model of elementary school students in understanding the concept of integers. The subjects in this study were selected based on outlier criteria or unique responses to a series of tests given to 30 students of the third grade of elementary school. As a result, two students were chosen as research subjects. The research data were collected through observation and interviews. Observation made by the researchers were direct observations, in which the researchers see and observe the activities of students in doing the test. In addition, the researchers also conducted interviews with research subjects. The results of the students' works were reviewed, and then interviews were conducted to clarify the students' answers. The results showed that the characteristics of elementary school students in understanding integers did not always move from the synthetic stage to the formal stage, but there were lower grade students who were able to solve contextual problems related to integers. The process of forming students' formal mental models can be seen when they solve the temperature rise problem by counting fingers and comparing them with the zero symmetry position between negative and positive integers.
PENGEMBANGAN BAHAN AJAR ARITMATIKA SOSIAL DENGAN PENDEKATAN KONTEKSTUAL UNTUK MEMFASILITASI PENCAPAIAN LITERASI MATEMATIKA Noviana, Sa'in; Zainudin, M; Nurdianingsih, Fitri
Journal of Technology, Mathematics and Social Science Vol. 4 No. 1 (2024): Mei 2024
Publisher : IKIP PGRI Bojonegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30734/j'thoms.v4i1.2611

Abstract

Abstrak: Penelitian ini bertujuan untuk menghasilkan bahan ajar aritmatika sosial dengan menggunakan pendekatan kontekstual untuk memfasilitasi pencapaian literasi matematika, khususnya untuk peserta didik kelas VII MTs. Penelitian ini merupakan penelitian pengembangan. Model pengembangan yang dikembangkan diadopsi dari model pengembangan ADDIE(Analysis, Design, Development, Implementation, Evaluation). Instrumen penelitian yang digunakan adalah lembar validasi oleh ahli materi dan ahli media, lembar penilaian oleh pendidik, lembar respon peserta didik, dan postes literasi matematika untuk peserta didik. Hasil validasi menunjukkan bahwa buku pendidik dan buku peserta didik yang dikembangkan berada dalam kategori Baik dan Sangat Baik. Hasil uji coba menunjukkan bahwa buku peserta didik dan buku pendidik masuk pada kategori baik. Hasil uji coba berdasarkan hasil postes literasi matematika peserta didik  mencapai hasil 72,2% serta menunjukkan bahwa buku pendidik dan buku peserta didik berada dalam kategori baik. Oleh karena itu, disimpulkan bahwa bahan ajar aritmatika sosial dengan pendekatan kontekstual yang dikembangkan memiliki kualitas valid, praktis, dan efektif ditinjau dari pencapaian literasi matematika peserta didik.Kata kunci: Pengembangan bahan ajar; Aritmatika Sosial; Pendekatan Kontekstual; Literasi Matematika.Abstract: This study aims to produce social arithmetic teaching materials using the brain cortex approach to fasilitate the achievement of mathematical literacy, especially for students of class VII MTs. This research is a development research. The development model that was developed was adopted from the ADDIE (Analysis, Design, Development, Implementation, Evaluation)development model. The research instruments used were validation sheets by material experts, assessment sheets by educators, student response sheets, and mathematical literacy posttests for students. The result of the validation show that the teacher’s books and the student’s books that were developed are in the Good and Very Good categories. The result of the trial based on the results of the post-test of students mathematical literacy reached 72,2% and showed that the teacher’s  books and the students books were in a good category. Therefore, it is cocluded that the social arithmetic teaching material with a contextual approach developed have valid, practical, and effective qualities in terms of the achievement of students mathematical literacy. Keywords: Development of teaching materials; Social Aritmatics; Contextual Approach; Mathematical Literacy.
Co-Authors Anita Dewi Utami Fitri Nurdianingsih M. Zainudin Zainudin, M