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All Journal Idealmathedu: Indonesian Digital Journal of Mathematics and Education
Zul Jalali Wal Ikram
SMA Islam Athirah 1 Makassar
Mathematics

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Keterampilan Dosen Model Matematika dan Hasil Belajar Mahasiswa dalam Praktik Lesson Study Zul Jalali Wal Ikram; Najmawati Azis
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 8 No 1 (2021)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v8i1.83

Abstract

This research aims to describe the skill of mathematics model lecturer and the learning achievement of undergraduate students in lesson study practice. Lesson study activities consist of three phases, namely, planning (plan), teaching and learning practice (do), and observation and reflection (see). Reflection is a crucial phase in Lesson Study activity, since it determines the next step needed for improvement. Reflection activities require teaching skills of the model lecturers. The data was collected in line with the ongoing activities in the Field Work Practices involving 3 mathematics model lecturers and 36 undergraduate students, academic year of 2017 offering C Mathematics Education, Universitas Negeri Malang (Malang State University). The research result shows that (1) The model lecturer teaching skills develops along with lesson study practice; (2) lesson study practice supports model lecturers in developing teaching and learning, as well as improving students' learning achivements.
Pengembangan Model dan Penggunaan Konteks dalam Mendukung Pemahaman Siswa pada Topik Penjumlahan yang Melibatkan Bilangan Negatif Zul Jalali Wal Ikram; Najmawati Azis
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 9 No 1 (2022)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v9i1.330

Abstract

This study aims to develop learning activities to contribute to the theory based on empirical activities in learning the topic of summation involving negative numbers. This research also develops learning activities that combine context and models that students can apply to understand the topic. The type of research used to attain the objectives in this study is design research, each cycle consists of three steps, namely preliminary study, classroom experiment and retrospective method. The subjects of the study were grade 4 students and teachers at SD Islam Athirah Makassar. The results showed that to help students understand the concept of summation involving negative numbers, students must understand the concept of negative numbers and use the number line model to count. This can be supported by the context of equilibrium and the number line as a representation of the negative numbers. In classroom learning, the use of context stimulates students to think informally, furthermore, by indicating a state using numbers and with the help of a number line model, students can solve mathematical problems at a formal level.
Co-Authors Najmawati Azis