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All Journal Jurnal Riset Pendidikan Matematika AKSIOMA: Jurnal Program Studi Pendidikan Matematika JOIV : International Journal on Informatics Visualization PAEDAGOGIA Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat Numeracy : Jurnal Ilmiah Pendidikan Matematika BAREKENG: Jurnal Ilmu Matematika dan Terapan JMM (Jurnal Masyarakat Mandiri) JTAM (Jurnal Teori dan Aplikasi Matematika) Wiralodra English Journal (WEJ) JPMI (Jurnal Pendidikan Matematika Indonesia) Gema Wiralodra MES: Journal of Mathematics Education and Science Jurnal Penelitian Pembelajaran Matematika Sekolah Range : Jurnal Pendidikan Matematika Jurnal Sains dan Edukasi Sains Jurnal Anugerah: Jurnal Pengabdian Kepada Masyarakat Bidang Keguruan dan Ilmu Pendidikan Jurnal Penelitian Inovatif MATH-EDU: Jurnal Ilmu Pendidikan Matematika Jurnal Pendidikan dan Pengabdian Masyarakat IndoMath: Indonesia Mathematics Education Indonesian Educational Research Journal Kreativasi: Journal of Community Empowerment Jurnal Jendela Matematika Jurnal Pendidikan MIPA CITAKARYA Jurnal Pengabdian Masyarakat
mone, ferdinandus
Pendidikan Matematika, Universitas Timor
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Journal : Indonesian Educational Research Journal

 1 
The Effectiveness of The Jigsaw-Type Cooperative Learning Model on the Mathematical Communication Ability of Grade X High School Students Bau, Neta Deliana; Son, Aloisius Loka; Mone, Ferdinandus
Indonesian Educational Research Journal Vol. 1 No. 1 (2023): Education and Learning Strategies in Various Contexts
Publisher : CV. Samuel Manurung and Co

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/ierj.v1i1.14

Abstract

This study was conducted with the aim of determining the effectiveness of the jigsaw-type cooperative learning model on students' mathematical communication ability. This research uses quantitative methods with a quasi-experimental approach. This research design uses a pretest-postest control group design. The participants of this study were grade X students of one of the high schools in North Central Timor Regency. This research was carried out in the even semester of the 2022/2023 academic year The research instrument was in the form of a mathematical communication ability test and observation sheets. The results of this study show that jigsaw-type cooperative learning is effective in improving students' mathematical communication ability. this is illustrated by the results of research that shows that the achievement and improvement of mathematical communication ability of students who learn through the jigsaw-type cooperative learning model is better than students who learn through conventional models
Improving Problem-Solving Ability through a Constructivist Approach in Learning Mathematics for Grade X High School Students Nampung, Nasrianus; Son, Aloisius Loka; Mone, Ferdinandus
Indonesian Educational Research Journal Vol. 1 No. 2 (2023): Improving Learning Quality and Student Abilities
Publisher : CV. Samuel Manurung and Co

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/ierj.v1i2.18

Abstract

This study aims to improve students' problem-solving abilities through a constructivist approach. This study uses quantitative methods in the form of pre-experimental. This research was carried out in the even semester of the 2022/2023 academic year This research design used one group pretest and post-test. The participants of this study were 17 grade X students of one of the high schools in North Central Timor district. Research instruments in the form of problem-solving ability tests. Before conducting data analysis, a prerequisite test is first carried out, namely a normality test using the SPSS-assisted Shapiro-Wilk test, and the results obtained that the data is normally distributed. Test the hypothesis using a one-sample t-test and a paired sample t-test. The results showed that students who learned using the constructivist approach achieved minimal completeness and there was an increase in the mathematical problem-solving ability of students who learned through the constructivism approach. Learning with a constructivist approach can facilitate the problem-solving ability of high school students. Therefore, it is recommended that advanced researchers in order to be able to apply constructivist approaches to other mathematical abilities
Development of Handout Media to Facilitate the Problem-Solving Abilities of Algebraic Functions Derivative for Class XI Senior High School Students Lopo, Angelina; Son, Aloisius Loka; Mone, Ferdinandus; Garcia-Gracia, Javier
Indonesian Educational Research Journal Vol. 2 No. 1 (2024): Education system approach and student abilities
Publisher : CV. Samuel Manurung and Co

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/ierj.v2i1.34

Abstract

The aim of this study is to develop valid, practical, and handout media effectof. This type of study is research and development. This research uses Plom model which consists of five phases, namely preliminary investigation, design, realization/construction, test, evaluation and revision, and implementation. Subject in this study includes experts, teachers and 15 students of class XI Mathematics and Natural Sciences at one of the Senior High Schools in Kefamenanu city, Indonesia. The data collection techniques used were questionnaires and tests. The validator consists of one lecturer in mathematics education and one mathematics teacher who assessed the quality of the handout media and the results of the assessment were declared valid. The level of practicality after being tested on students obtained a presentation score 83.49% so it is categorized as very practical, and also based on effectiveness test results obtained 81% of student grades in the very effective category. Thus, you can It was concluded that the handout media developed could facilitate solving ability’s algebraic function derivative problems are very valid, very practical, and very effective.
Analysis of the Mathematical Reasoning Ability of High School Students in Solving Trigonometric Problems Oemanas, Hildegardis Kono Oemanas; Nahak, Selestina; Mone, Ferdinandus; Rodríguez-Nieto, Camilo Andrés
Indonesian Educational Research Journal Vol. 2 No. 2 (2024): Teaching and Learning at the Educational Unit Level.
Publisher : CV. Samuel Manurung and Co

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56773/ierj.v2i2.43

Abstract

Reasoning is needed by students to solve trigonometry problems that are considered difficult to solve. So, the researcher conducted a study to determine students' mathematical reasoning skills in solving trigonometric problems. This type of research is descriptive research with qualitative methods. The subjects of this study were 3 students of class XII in one of the senior high schools in North Central Timor district. Data collection techniques were test questions and interviews. From the results of the study, it was concluded that high category mathematical reasoning ability was able to fulfill 4 reasoning indicators, medium category mathematical reasoning ability was able to fulfill 2 reasoning indicators, while low category reasoning ability only fulfilled 1 reasoning ability indicator.
Co-Authors Agustinus Giovandi Laki Ahzan, Zulkaidah Nur Alfonsa Maria Abi Alfonsa Maria Abi Astriani Dewi, Ni Putu Yuni Bau, Neta Deliana Bete Sanan, Lidia Rosina Bete, Hendrika Bifel, Maria Gabriela Bait Bone, Dominifridus Cecilia Novianti Salsinha Chrisinta, Debora Destiana Ina Elin, Lailin Hijriani Elisabet Ersamayori Foeh Elisabeth E Mayori Garcia-Gracia, Javier Hijriani, Lailin Hijriani, Lailin Intan Karisma, Yunita Jelahu, Ronaldus Ariyanto Juventianus Kenjam Lopo, Angelina Maria Naimnule Maria Pati Kaka Maria Rosalinda Talan Marta Jaha Ghada Martinus Kaka Matheos J Takaeb Matute, Alejandro Jr. V. Merlin Helentina Napitupulu Miko Purnomo Moses Timutang Naimnule, Maria Nampung, Nasrianus Nelciana Talan Oemanas, Hildegardis Kono Oemanas olbata, yabes Paulus Dara Madu Prudensius Manek Putra Kaka Rodríguez-Nieto, Camilo Andrés Ruing, Lusisita Enjelita K Selestina Nahak Siahaan, Meiva M. Lestari Siahaan, Meiva Marthaulina Lestari Sigit, Nanta Silfester Faentaono Simamarta, Justin Eduardo Simarmata, Justin Eduardo Sony Mahardika Stanislaus Amsikan Timutang, Moses Uskono, Yunitha Centriana Valentinus Dendo Winda Ade Fitriya B Wua Laja, Yosepha Patricia yabes olbata Yohanes Jefrianus Kehi Zulkaidah Nur Ahzan Zulkaidah Nur Azhan