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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Griya Journal of Mathematics Education and Application
Abi Suwito
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Education Mathematics Other

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Analisis Kesalahan Mahasiswa dalam Pembuktian Geometri Analitik Materi Segitiga Anisa Widiastuti; Abi Suwito; Susanto, Susanto
Griya Journal of Mathematics Education and Application Vol. 3 No. 3 (2023): September 2023
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v3i3.363

Abstract

The purpose of this research is to find out what mistakes students make in proving a triangle. The research subjects were students in the Analytical Geometry class at the Mathematics Education Study Program at UIN KHAS Jember. This research is a qualitative descriptive study. The data collection techniques used were observation, tests, and interviews. Based on the research results, it was found that the types of errors made by students were (1) errors in the representation of mathematical symbols, (2) errors in the contradiction of triangle inequalities, and (3) errors in writing answers and errors in the proof process
Analisis Kesalahan Siswa dalam Menyelesaikan LKPD berbasis Inkuiri Terbimbing Materi Trigonometri Kelas X Sulia Anis Prastika; Abi Suwito; Susanto, Susanto
Griya Journal of Mathematics Education and Application Vol. 3 No. 3 (2023): September 2023
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v3i3.365

Abstract

This research aims to analyze students' errors using the Newman procedure in working on LKPD-based Guided Inquiry in class X Trigonometry material. This type of research is descriptive qualitative research. The subjects of this research were class X high school students. The data collection technique used was through the results of work on LKPD based on guided inquiry on Trigonometry material, observations, and interviews with class X students. Based on the analysis that has been carried out, it can be concluded that the errors experienced by high school students when working on LKPD-based guided inquiry on trigonometry material using the Newman procedure are errors in reading the problem (reading), understanding the problem (comprehension), transformation of the problem (transformation), process skills (process skills) and coding/drawing conclusions (encoding). From the results of the analysis above, it can be used as material for developing problems or difficulties faced by students in learning mathematics, especially in Trigonometry material in the future. Apart from that, there is a need for learning strategies that can embed concepts and understanding of previously studied material.
Analisis Kemampuan Komunikasi Matematis Tertulis Siswa Kelas VII Materi Geometri Bangun Datar ditinjau dari Jenis Kelamin AM, Alya Riskina; Susanto, Susanto; Abi Suwito
Griya Journal of Mathematics Education and Application Vol. 3 No. 3 (2023): September 2023
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v3i3.369

Abstract

Written mathematical communication skills are students' ability to express ideas in writing, as well as using images, symbols, and written vocabulary with the aim of conveying correct information according to mathematical rules. This research aims to analyze the written mathematical communication skills of class VII SMP/MTs students on geometric geometric material in terms of gender. This research method uses a qualitative approach with a descriptive research type. The data analysis technique in this research is data triangulation from observation results, mathematical communication ability test results, and interview results. The results of this research show that male students focus more on the final result, but understand the drawings that are made well and have high accuracy in the problem-solving process. Meanwhile, female students provide complete and detailed information about the questions, although they often make mistakes in understanding the questions.
Penerapan Media Pembelajaran Berbantuan Geogebra untuk Memecahkan Masalah Meteri Transformasi Nazihah, Ulfatun; Susanto, Susanto; Abi Suwito
Griya Journal of Mathematics Education and Application Vol. 3 No. 3 (2023): September 2023
Publisher : Pendidikan Matematika FKIP Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/griya.v3i3.370

Abstract

Students’ difficulties in solving students' integral questions are caused by students enable to visualize abstract transformations. The lack of media used causes students to have difficulties in solving transformation. One of the alternatives to overcome this problem is by using GeoGebra-assisted learning media Therefore, the purpose of this study was to apply the media and to determine the effect of GeoGebra-assisted media on solving the problem of transformation. This Research engages 27 students. The design used in this study was the One-Group Pretest-Posttest. The data is obtained from the results of the pretest, treatment, and post-test. The data analysis technique used descriptive statistical data analysis technique and statistical inference. From the descriptive statistical analysis technique, the average pretest value was 29.44 and the posttest average was 91.67. From this average, there was an overall increase of 96.30%. The results of the inference analysis using the t-test obtained = 16.39 and = 1.684. this media also received a positive response from students. This can be seen from the student response questionnaire which got a total score of 93.09%. We can conclude that the GeoGebra media is very effectively used to solve the problem of transformation.
PENERAPAN MODEL PROBLEM BASED LEARNING (PBL) BERBASIS KONTEKS PEMBENTUKAN LAHAN SAWAH BERBENTUK SEGITIGA PADA MATERI TEOREMA PYTHAGORAS UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS SISWA SMP Febilawati, Anggraeni; Abi Suwito; Frenza Fairuz Firmansyah
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 02 (2026): Volume 11 Nomor 02, Juni 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i02.51048

Abstract

This study aimed to determine the effect of the Problem Based Learning (PBL) model on junior high school students’ critical thinking skills. The study employed a quantitative approach using a quasi-experimental method with a Nonequivalent Control Group Design. The research sample consisted of two classes, namely an experimental class taught using the Problem Based Learning (PBL) model and a control class taught using conventional learning methods. Data were collected through critical thinking skill tests in the form of pretests and posttests. The data were analyzed using descriptive statistics, N-Gain tests, and effect size tests. The results showed that the average pretest score of students was 71.5094 and increased to 81.8868 in the posttest after the implementation of the Problem Based Learning (PBL) model. The N-Gain test result obtained an average score of 0.2320, which was categorized as low. In addition, the effect size test showed a Cohen’s d value of 0.104, which was included in the small category. The findings indicate that the implementation of the Problem Based Learning (PBL) model was able to improve students’ critical thinking skills, although the improvement was still relatively low. The Problem Based Learning (PBL) model helped students become more active in analyzing problems, participating in discussions, and finding solutions during the learning process. Therefore, the Problem Based Learning (PBL) model can be used as an alternative learning model to support the development of junior high school students’ critical thinking skills.
Co-Authors AM, Alya Riskina Anisa Widiastuti Febilawati, Anggraeni Frenza Fairuz Firmansyah Nazihah, Ulfatun Sulia Anis Prastika Susanto Susanto