Della Permata Rahmah
Universitas Negeri Medan

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ANALISIS KESALAHAN SISWA DALAM MENYELESAIKAN SOAL MATEMATIKA PADA MATERI TURUNAN Adelina Natalia Lubis; Brigita Wati Br Ginting; Della Permata Rahmah; Martha Lestari Hutagalung
KARISMATIKA: Kumpulan Artikel Ilmiah, Informatika, Statistik, Matematika dan Aplikasi Vol 7, No 2 (2021): Karismatika
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jmk.v7i2.28389

Abstract

Penelitian ini bertujuan untuk mengetahui keslahan yang dilakukan siswa dalam menyelesaikan soal matematika pada materi Turunan. Penelitian ini dilaksanakan di SMA Negeri 1 Pancur Batu pada semester ganjil tahun pelajaran 2021/2022 dengan subjek penelitian sebanyak 20 siswa. Penelitian ini adalah penelitian kualitatif yang bersifat deskriptif dan menggunakan analisis. Hasil penelitian ini adalah siswa melakukan kesalahan perhitungan 2,5% dan kesalahan konsep 6,25%. Faktor penyebab siswa melakukan kesalahan dalam menyelesaikan soal matematika pada materi turunan adalah siswa tidak memahami konsep turunan secara mendalam, tidka mengingat rumus turunan, dan sering keliru dalam operasi baik penjumlahan, pengurangan, perkalian dan pembagian. Abstract - This study aims to determine the errors made by students in solving math problems on Derivative material. This research was conducted at SMA Negeri 1 Pancur Batu in the odd semester of the 2021/2022 academic year with 20 students as research subjects. This research is a qualitative research that is descriptive and uses analysis. The results of this study were students made a calculation error of 2.5% and a concept error of 6.25%. The factors that cause students to make mistakes in solving math problems on derived material are students don't understand the concept of derivatives in depth, don't remember derivative formulas, and often make mistakes in operations both addition, subtraction, multiplication and division  
Newman's Error Analysis of Integer Material in Mts Al-Ihsan Medan Students Della Permata Rahmah; Zul Amry
Jurnal Ilmiah Pendidikan Holistik (JIPH) Vol. 1 No. 3 (2022): December 2022
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/jiph.v1i3.1984

Abstract

This study aims to determine the types of student errors, the factors that cause student errors in solving math problems based on the Newman procedure at MTs Al-Ihsan Medan and efforts to minimize student errors based on the Newman procedure. This type of research is descriptive qualitative. The subjects in this study were class VII students of MTs Al-Ihsan Medan, totaling 3 students, each of which was taken 1 student in the high category, 1 student in the medium category, and 1 student in the low category. Data collection techniques using written tests and interviews. Data analysis was carried out with the data reduction stage, the data presentation stage and the conclusion drawing stage. The results showed that the percentage of errors made by students in solving math problems related to integer material based on the Newman procedure were: (a) the percentage of reading errors was 20%, (b) the percentage of understanding errors was 84%, (c) the percentage of transformation errors was 72%. , (d) the percentage of error in processing skills is 54.66, and (e) the percentage of errors in writing the final answer is 80%.