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All Journal Didaktik : Jurnal Ilmiah PGSD STKIP Subang
Linda Vitoria
Departemen Pendidikan Guru Sekolah Dasar, Universitas Syiah Kuala
Education

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ANALISIS KESALAHAN SISWA DALAM MENGERJAKAN SOAL PEMBAGIAN BERSUSUN DI KELAS III SEKOLAH DASAR NEGERI PERTIWI LAMGAROT KABUPATEN ACEH BESAR Nafisah; Tursinawati; Linda Vitoria
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 03 (2026): Volume 12 No. 03, September 2026 Published
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i03.16890

Abstract

Long division is one of the essential mathematics topics that elementary school students need to master because it serves as a foundation for learning mathematical concepts at higher levels. However, various errors are still found in students' work when solving long division problems. This study aimed to describe and identify the types of errors made by third-grade students of SD Negeri Pertiwi Lamgarot, Aceh Besar Regency, in solving long division problems. This study employed a qualitative approach with a descriptive research design. The research subjects consisted of 20 third-grade students. Data were collected through a written test consisting of 15 essay questions in the form of word problems on long division. Data were analyzed using Newman's Error Analysis, which includes reading errors, comprehension errors, transformation errors, process skill errors, and encoding errors. The results showed that students still made various errors in solving long division problems. Comprehension errors were made by 12 students (60%), transformation errors by 14 students (70%), process skill errors by 20 students (100%), and encoding errors by 19 students (95%), while no reading errors were found. The most dominant error was the process skill error. Therefore, it can be concluded that students still experienced difficulties in carrying out long division procedures accurately.
PENGARUH PENGGUNAAN MEDIA SENSOR ULTRASONIK TERHADAP HASIL BELAJAR PADA MATERI PENGUKURAN LUAS SISWA KELAS IV SD NEGERI 1 PAGAR AIR ACEH BESAR Rifki Aufal; Intan Safiah; Linda Vitoria
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 03 (2026): Volume 12 No. 03, September 2026 Published
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i03.16898

Abstract

This research is motivated by the phenomenon of students' lack of understanding of basic measurement concepts in mathematics. In addition, technological developments have a positive impact on education. This study aims to determine the effect of the use of ultrasonic sensor media on student learning outcomes in the area measurement material in grade IV of SD Negeri 1 Pagar Air Aceh Besar. This study uses a quantitative approach with an experimental method, namely a pretest-posttest control group design. The research sample consisted of two groups, namely class IV B as the experimental class which was given treatment using ultrasonic sensor media, and class IV A as the control class which was given learning using conventional methods. Data collection techniques are carried out through tests in the form of pretests and posttests. The data obtained are then analyzed using statistical tests, namely the independent sample t-test. The results of the assumption test through the normality test and the homogeneity test indicate that the data are normally distributed and have homogeneous variance. Furthermore, the results of the independent sample t-test show a significance value of 0.001 < 0.05, which means there is a significant difference between student learning outcomes in the experimental class and the control class. Thus, it can be concluded that the use of ultrasonic sensor media has a significant effect on improving student learning outcomes in the area measurement material
Co-Authors Intan Safiah Nafisah Rifki Aufal Tursinawati