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Analysis of the Mathematical Communication Ability of Pre-Service Mathematics Teachers through Online Learning during the Covid-19 Pandemic Sumargiyani Sumargiyani; Bidayatun Nafi'ah
Hipotenusa : Journal of Mathematical Society Vol 2, No 2 (2020)
Publisher : Program Studi Tadris Matematika IAIN Salatiga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18326/hipotenusa.v2i2.98-119

Abstract

During the current Covid-19 pandemic, the learning system in all educational institution is shifted from face to face to online learning, including universities. This study aims to describe the results of the mathematical communication skills of class B students of Mathematics Education from Ahmad Dahlan University for the 2019/2020 academic year during online learning during the Covid-19 pandemic and to examine students' mistakes in solving differential calculus problems regarding the minimum, maximum material. This study employed descriptive qualitative research. The research instrument used is a test and interview guide. The data are collected using tests and interviews. The research subjects were selected by stratified random sampling technique so that 6 students are classified into high, medium and low categories. The questions are in the form of a description of one question with six questions. The results showed that students' mathematical communication skills on indicators (1) restating information was done appropriately, (2) writing down ideas or problem-solving steps clearly and precisely, some were not thorough, (3) presenting information using graphic images again. There are still things that they couldn't understand and (4) Writing down the answers according to what is known and are asked using mathematical formulas, some are still wrong because they are not accurate.
PENGEMBANGAN MEDIA VIDEO PEMBELAJARAN KONSTEKTUAL PADA MATERI PERSAMAAN LINEAR SATU VARIABEL KELAS VII SMP Nadilah Rachmawati; Sumargiyani Sumargiyani
LINEAR: Journal of Mathematics Education Volume 2 Nomor 1 Juni 2021
Publisher : Fakultas Tarbiyah dan Ilmu Keguran IAIN Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (406.719 KB) | DOI: 10.32332/linear.v2i1.3106

Abstract

Penelitian ini dilatarbelakangi karena kesulitan peserta didik SMP Kelas VII dalam memahami materi persamaan linear satu variabel serta belum adanya media video pembelajaran kontekstual, sehingga diperlukannya media video pemeblajaran kontekstual bagi peserta didik SMP Kelas VII di SMP Negeri 3 Yogyakarta. Penelitian ini bertujuan untuk mengembangkan video pembelajaran dan mengetahui kevalidan, kepraktisan, keefektifan media video pembelajaran kontekstual pada materi persamaan linear satu variabel pada kelas VII SMP. Jenis penelitian ini adalah penelitian pengembangan dengan model ADDIE (Analysis, Design, Development, Implementasi, Evaluation). Subjek penelitian adalah peserta didik kelas VII A SMP Negeri 3 Yogyakarta. Teknik pengumpulan data dalam penelitian ini yaitu dengan wawancara dan angket. Untuk teknik analisis data yang digunakan peneliti adalah analisis kevalidan, kepraktisan dan keefektifan. Hasil penelitian dari hasil uji validasi media video pembelajaran termasuk dalam kriteria valid dari segi persentase rata-rata, penilaian ahli materi adalah 4,5 dengan kategori sangat baik dan ahli media 4,6 dengan kategori sangat baik, sedangkan dari respon peserta didik terhadap media video pembelajaran kontestual adalah 3,4 dengan kategori baik atau kriteria praktis dan keefektifan persentase belajar peserta didik adalah 71,8 dengan kategori baik. Sehingga media video pembelajaran kontekstual ini valid, praktis dan efektif sebagai media pembelajaran.