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Pengembangan Media Pembelajaran Berbasis Android pada Materi Suku Banyak (Polinomial) Zulinda Nur Saidah; Dewi Hamidah; Ahmad Syamsudin
Jurnal Tadris Matematika Vol 5 No 1 (2022): IN PRESS
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2022.5.1.29-46

This study aims to develop android-based mathematics learning media on polynomial material that is valid, practical, and effective for use in learning. This type of research is research and development by applying a 4-D development model which has stages consisting of: define, design, develop, and disseminate. The data collection instruments used were an expert validation questionnaire, practicality questionnaire, and pretest-posttest questions. The subjects of this study were students of class XII SMAN Gogol. The results show that the assessments of material experts and media experts obtained valid criteria. In the practical aspect, the learning media are stated to be very practical to use as a support for learning from the assessment of teachers and students. In the pretest-posttest results of students, the increase in learning outcomes is at the "medium" level seen from the n-gain test scores so the "Pintar Polinomial" learning media is declared to be effectively used in learning polynomial material. It can be concluded that the "Pintar Polinomial" learning media is feasible to use in learning because it has met the criteria of validity, practicality, and effectiveness.

Pengembangan Media Pembelajaran Berbasis Android pada Materi Suku Banyak (Polinomial) Zulinda Nur Saidah; Dewi Hamidah; Ahmad Syamsudin
Jurnal Tadris Matematika Vol 5 No 1 (2022)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2022.5.1.29-46

This study aims to develop android-based mathematics learning media on polynomial material that is valid, practical, and effective for use in learning. This type of research is research and development by applying a 4-D development model which has stages consisting of: define, design, develop, and disseminate. The data collection instruments used were an expert validation questionnaire, practicality questionnaire, and pretest-posttest questions. The subjects of this study were students of class XII SMAN Gogol. The results show that the assessments of material experts and media experts obtained valid criteria. In the practical aspect, the learning media are stated to be very practical to use as a support for learning from the assessment of teachers and students. In the pretest-posttest results of students, the increase in learning outcomes is at the "medium" level seen from the n-gain test scores so the "Pintar Polinomial" learning media is declared to be effectively used in learning polynomial material. It can be concluded that the "Pintar Polinomial" learning media is feasible to use in learning because it has met the criteria of validity, practicality, and effectiveness.

Potret Keterampilan Metakognitif Problem Solving dalam Level Penalaran Kontroversial Siswa Apriana Swastika; Eka Resti Wulan; Dewi Hamidah
Jurnal Tadris Matematika Vol 5 No 2 (2022)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2022.5.2.207-222

The purpose of this study is to describe the metacognitive problem-solving skills of class X SMA Negeri 1 Kediri students at the level of initial controversial reasoning, exploration, and clarification, when solving irrational inequality problems. This research is descriptive research with a qualitative approach. Data collection techniques used controversial problem tests, problem-solving tests, think-aloud methods, and task-based semi-structured interviews. The data analysis technique used was qualitative data analysis with steps of data reduction, data presentation, and conclusion. The validity of the data used triangulation techniques and member checks. The results show that students' metacognitive problem-solving skills at the initial controversial reasoning level can meet the three indicators of metacognitive activity at the stage of understanding problems and determining the problem-solving strategy plan. Students' metacognitive problem-solving skills at the level of exploration can fulfill the three indicators of metacognitive activity at the stage of understanding problems, determining the problem-solving strategy plans, and completing problem-solving strategies. Students' metacognitive problem-solving skills at the level of clarification can meet the three indicators of metacognitive activity at the stage of understanding the problem, determining the problem-solving strategy plan, completing the problem-solving strategy, and looking back.

EFEKTIVITAS PEMBELAJARAN PMRI BERBASIS OPEN-ENDED TERHADAP KEMAMPUAN BERPIKIR KRITIS SISWA DI MTSN 1 KOTA KEDIRI Evi Diana Supraning Ayu; Eka Sulistyawati; Dewi Hamidah
Lentera Sriwijaya : Jurnal Ilmiah Pendidikan Matematika Vol 5, No 1 (2023): May
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jls.v5i1.18834

This study aims to determine the effectiveness of PMRI learning with open-ended problems on students' mathematical critical thinking ability in MTsN 1 Kota Kediri. This research method used a quasi-experimental design with a non-equivalent pretest posttest control group design. The population of this research is all of class VIII MTsN 1 Kota Kediri. Sample of this research are Class VIII G was the experimental group and class VIII E was the control group. The instruments used are test questions (pretest and posttest) based on critical thinking indicators including interpretation, analysis, evaluation, inference, and explanation, RPP and learning implementation observation sheet. The results show that the average pretest and posttest scores of students' critical thinking skills in the open-ended-based PMRI class were 33.8 and 75.79. While the average pretest and posttest classes that use conventional learning are 33.97 and 65.50.The results of the independent sample t-test and obtained the value of sig. (2-tailed) is 0.000 where 0.000 < 0.05 so is accepted. This means that there is a difference in the average critical thinking ability of students after using PMRI learning based on open-ended with conventional learning. Furthermore, to determine the level of effectiveness of the learning model used, the n-gain test was carried out and the average n-gain score for the experimental class was 0.6379, and was categorized as moderate. While the control class is 0.4800 and is categorized as moderate. The average value of the experimental class n-gain score is greater than the control class, so it can be concluded that Open Ended-based PMRI learning is more effective in improving students' critical thinking skills.

Pengembangan Media Pembelajaran Berbasis Android pada Materi Suku Banyak (Polinomial) Zulinda Nur Saidah; Dewi Hamidah; Ahmad Syamsudin
Jurnal Tadris Matematika Vol 5 No 1 (2022)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2022.5.1.29-46

This study aims to develop android-based mathematics learning media on polynomial material that is valid, practical, and effective for use in learning. This type of research is research and development by applying a 4-D development model which has stages consisting of: define, design, develop, and disseminate. The data collection instruments used were an expert validation questionnaire, practicality questionnaire, and pretest-posttest questions. The subjects of this study were students of class XII SMAN Gogol. The results show that the assessments of material experts and media experts obtained valid criteria. In the practical aspect, the learning media are stated to be very practical to use as a support for learning from the assessment of teachers and students. In the pretest-posttest results of students, the increase in learning outcomes is at the "medium" level seen from the n-gain test scores so the "Pintar Polinomial" learning media is declared to be effectively used in learning polynomial material. It can be concluded that the "Pintar Polinomial" learning media is feasible to use in learning because it has met the criteria of validity, practicality, and effectiveness.

Potret Keterampilan Metakognitif Problem Solving dalam Level Penalaran Kontroversial Siswa Apriana Swastika; Eka Resti Wulan; Dewi Hamidah
Jurnal Tadris Matematika Vol 5 No 2 (2022)
Publisher : Universitas Islam Negeri Sayyid Ali Rahmatullah Tulungagung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21274/jtm.2022.5.2.207-222

The purpose of this study is to describe the metacognitive problem-solving skills of class X SMA Negeri 1 Kediri students at the level of initial controversial reasoning, exploration, and clarification, when solving irrational inequality problems. This research is descriptive research with a qualitative approach. Data collection techniques used controversial problem tests, problem-solving tests, think-aloud methods, and task-based semi-structured interviews. The data analysis technique used was qualitative data analysis with steps of data reduction, data presentation, and conclusion. The validity of the data used triangulation techniques and member checks. The results show that students' metacognitive problem-solving skills at the initial controversial reasoning level can meet the three indicators of metacognitive activity at the stage of understanding problems and determining the problem-solving strategy plan. Students' metacognitive problem-solving skills at the level of exploration can fulfill the three indicators of metacognitive activity at the stage of understanding problems, determining the problem-solving strategy plans, and completing problem-solving strategies. Students' metacognitive problem-solving skills at the level of clarification can meet the three indicators of metacognitive activity at the stage of understanding the problem, determining the problem-solving strategy plan, completing the problem-solving strategy, and looking back.

PROSPECTIVE MATHEMATICS TEACHERS’ MATHEMATIZATION COMPETENCIES IN SOLVING WORD PROBLEMS Dewi Hamidah; Susiswo Susiswo; Hery Susanto; Sharifah Osman
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 9 No. 3 (2025): Volume 9, Nomor 3, September 2025
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v9i3.33211

Mathematization competencies among prospective teachers, focusing on their ability to construct and communicate mathematical arguments, are crucial for effective mathematics education. This exploratory study aimed to produce qualitative-descriptive data on prospective teachers' competencies of mathematization in teacher education programs. The study employs word problems based on everyday-life problems that are solved by the mathematization process and assessed based on three indicators of mathematization competencies. The data were collected from three groups of prospective teachers in the first, third, and fifth semesters, respectively, in the mathematics education study program at a public University in Kediri, Indonesia. The findings revealed that while all prospective teachers demonstrated basic skills in identifying assumptions and organizing problems, fifth-year students exhibited better abilities in mathematical argumentation, particularly in generalizing mathematical problems. These advanced abilities included the formulation, analysis, and presentation of proficient mathematical arguments, indicating a deeper understanding and mastery of mathematization that developed progressively throughout their education. The results of this study underscore the importance of sustained and structured learning experiences in mathematics teacher education programs to foster higher-order mathematical competencies. This study enriches the mathematics education literature by illustrating the growth of argumentation skills in mathematization among prospective teachers, highlighting the need for educational curricula that emphasize these advanced skills.

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