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All Journal Jurnal Infinity Indonesian Journal of Mathematics and Natural Sciences Kreano, Jurnal Matematika Kreatif-Inovatif Rekayasa: Jurnal Penerapan Teknologi dan Pembelajaran JURNAL PROFESI KEGURUAN Eduma : Mathematics Education Learning and Teaching Math Didactic: Jurnal Pendidikan Matematika Jurnal Cendekia : Jurnal Pendidikan Matematika Journal on Education Unnes Journal of Mathematics Education Research Journal of Primary Education MEJ (Mathematics Education Journal) JIKAP PGSD: Jurnal Ilmiah Ilmu Kependidikan Hipotenusa : Journal of Mathematical Society Riemann: Research of Mathematics and Mathematics Education Jurnal Wahana Pendidikan Unnes Journal of Mathematics Education Unnes Journal of Mathematics Jurnal Pendidikan Progresif Prima Magistra: Jurnal Ilmiah Kependidikan Journal of Mathematics Learning Innovation (JMLI) Prosiding Seminar Nasional Pascasarjana Proceeding of International Conference on Science, Education, and Technology JNPM (Jurnal Nasional Pendidikan Matematika)
Scolastika Mariani
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Humanities Education Engineering Mathematics Public Health Social Sciences Other

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Analysis of Problem Solving on IDEAL Problem Solving Learning Based on Van Hiele Theory Assisted by Geogebra on Geometry Abduh, M. Faisal; Waluya, S. B.; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 9 No 2 (2020): December 2020
Publisher : Universitas Negeri Semarang

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Abstract

The objectives of this study are to analyze the effectiveness of the learning of IDEAL Problem Solving models based on Van Hiele theory assisted by Geogebra software and to describe students’ problem solving ability at each level of geometrical thinking. This research was a type of qualitative and quantitative combination research. The combination model of this study was the type of concurrent triangulation, the combination of qualitative and quantitative methods in a balanced way. Quantitative research sampling technique was simple random sampling in which this study was taken in one experimental class and one control class. The technique of selecting qualitative research subjects was non-probability sampling, where the taking of subjects was based on the level of geometrical thinking. The conclusions are obtained (1) IDEAL Problem solving models Learning based on van Hiele theory assisted by Geogebra software is effective on students' problem solving ability. (2) The problem solving ability of each level of Van Hiele's geometry thinking is that students at level 1 (analysis), they can understand the problem but cannot plan their solution well. Level 2 students (informal deduction), they can understand problems, plan, implement plans well, but they cannot check results. Level 3 (deduction), the students can understand problems, plan, implement plans, and check results well.
Mathematics Connections Based on Self Regulated Learning Through Project Based Learning with Ethnomathematics nuances and independent learning with assisted of Module and Whatsapp Fathonah, Ika Ariwanti; Mariani, Scolastika; Sukestiyarno, YL
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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The study aims to describe the mathematical connections ability in project based learning nuanced ethnomatematic and independent learning module-assisted and whatsapp in terms of self-regulated learning. This study uses a mixed method with explanatory sequential design. Subjects of this study were 7th grade students of SMP Negeri 1 Bae Kudus 2018/2019 school year. The subjects in this study were students of class VIIF and VIIG selected based on three categories of self regulated learning, namely high, medium, and low. Data collection techniques using tests of students' mathematical connection ability, self regulated learning questionnaire, observation of self regulated learning and interviews. The results showed that the project-based learning nuanced ethnomatematics and independent learning with modules and whatsapp was effective against mathematical connection ability, and the description of the ability of mathematical connections in terms of self regulated learning in the high, medium, and low learning in the project-based learning nuanced ethnomatematics and independent learning with modules and whatsapp gets varied results.
The Ability Solve Geometry Problems in Spatial Intelligence Through Project Based Learning-Ethnomathematics Assisted by Augmented Reality Apk Muwahiddah, Ulil; Asikin, Mohammad; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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This study aims to find patterns of students' geometry problem-solving abilities after applying learning based on augmented reality-based learning-ethnomatemics apk in terms of spatial intelligence. This study uses a mixed method with explanatory sequential design. The population is students of class VIII Al-Madina Islamic junior high School Semarang 2018/2019 school year. The subjects in this study were students of class VIII selected based on three categories of spatial intelligence, namely high, medium and low. Data collection techniques using tests of students' geometry problem solving abilities, spatial intelligence tests and interviews. The results of this study are learning using project-based learning-ethnomatematics and learning using effective project-based learning-ethnomatatics assisted with augmented reality apk, averaging the three different sample classes, and description of geometry problem solving abilities in terms of students' spatial intelligence in the high, medium, and low categories in project-based learning-ethnomatematics assisted with augmented reality apk obtained the result that the level of spatial intelligence of students may not necessarily describe the level of problem solving ability.
Mathematics Communication Skill Seen from Self Efficacy on Project Based Learning Model with Realistic Approach Assisted by Web - Video Handayani, Kristina; Mariani, Scolastika; Asikin, Mohammad
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

This research aims to describe mathematics communication skill seen from self-efficacy on Project Based Learning model with realistic approach assisted by web-video. This mixed method research used sequential explanatory. The population of this research consisted of VII graders of SMP N 1 Bae Kudus, in academic year 2018/2019. The subjects were VII B students, selected based on three self-efficacy categories: high, moderate, and poor. The techniques of collecting data were mathematics communication skill test, self-efficacy questionnaire, and interview. The findings showed that learning by using PjBL model with realistic approach assisted by web video was effective. The descriptions of the skill seen from self-efficacy of the students within high, moderate, and poor categories on PjBL with realistic approach assisted by web – video were varied on each category. Based on 5 high self – efficacy students, there were 4 of them having high communication skill and 1 moderate communication skill. From 21 students with moderate self – efficacy showed 7 of them having high communication skill, 10 moderate communication skill, and 4 poor skill. From 6 students with poor self-efficacy, there were 2 students with moderate communication skill, and 4 with poor communication skill.
The Effectiveness of Brain Based Learning Assisted by Schoology towards Students’ Creative Thinking and Self-Efficacy Imanuel, Imanuel; Waluya, St. Budi; Mariani, Scolastika
Journal of Primary Education Articles in Press
Publisher : Journal of Primary Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (616.257 KB) | DOI: 10.15294/jpe.v10i3.34902

Abstract

This study aims to determine the effectiveness of brain-based learning assisted by schoology for the creative thinking ability in mathematics; determine the creative thinking ability of students who were taught using brain-based learning assisted by schoology whether they were better than students who were taught using brain-based learning without schoology-assisted learning; determine students' mathematical creative thinking ability in terms of self-efficacy that are taught using brain-based learning assisted by schoology. This type of research is a mix method with a sequential explonatory design. Quantitative analysis techniques include completeness test and average difference test. The qualitative analysis technique used is triangulation. The results of this study show that the schoology-assisted brain based learning is effective in improving students' mathematical creative thinking abilities; The creative thinking ability in the experimental class with brain-based learning assisted by schoology is better than the control class with brain-based learning without schoology-assisted learning; Students who have creative thinking ability in terms of self efficacy with high category are able to meet all indicators of creative thinking. Students who have creative thinking ability in terms of self efficacy with medium category are able to meet some of the indicators of creative thinking ability. A student who has creative thinking ability in terms of self efficacy with low category is less able to meet each indicator. Learning by using a brain based learning model is an effective model to improve students? creative thinking abilities and self-efficacy, where the students have reached the minimum completeness criteria of 75 and students? classical completeness has exceeded 75%. The results from the students? answers and the unterviews on problems in the mathematics creative thinking ability test show that the students who have high self efficacy category have a very good creative thinking ability, students who have medium self efficacy category are having good creative thinking ability and students with low self efficacy category have a pretty good creative thinking ability.
Treffinger Learning with Collaborative Assessment in Achievement of Creative Thinking Skill and Student Mathematical Disposition Roby Sugiarto, Dede Retno; Kartono, Kartono; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

The aim of this study is to determine the quality of Treffinger learning model with collaborative assessment on the achievement of students' creative thinking abilities and mathematical disposition. This study uses a mixed method with concurrent embedded design. Subject of this research is grade VIII students of SMP N 36 Semarang. Data collection on mathematical creative thinking ability was using tests, data collection mathematical disposition was using questionnaires and data collection on self-assessment and peer-assessment was using assessment sheets. The quality of learning was qualitatively valued from planning stage, performing stage and assessment stage. The result of mathematical creative thinking ability test was analyzed qualitatively using mean test, comprehensive test, mean deviation test and deviation proportion test, then an improvement test is performed on the selected student. Result of this research shows Treffinger learning model with collaborative assessment on the achievement of students' creative thinking abilities and mathematical dispositions is considered well both qualitatively and quantitatively. Improvement of creative thinking abilities and mathematical dispositions on selected student have increased. The result of this research showed there was a relationship between mathematical creative thinking ability and mathematical disposition.
IbM BAGI GURU-GURU MATEMATIKA SMP YANG MENGALAMI KESULITAN PEMECAHAN MASALAH MELALUI VISUALISASI GEOMETRI ANALITIK BIDANG CARTESIUS BERBANTUAN SOFTWARE GEOMETER'S SKETCHPAD Mariani, Scolastika; Wardono, Wardono
Rekayasa : Jurnal Penerapan Teknologi dan Pembelajaran Vol 16, No 1 (2018): Juli 2018
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/rekayasa.v16i1.15079

Abstract

.Komunikasi tulis matematika sangat penting karena tidak banyak siswa yang dapat memahami teks matematika maupun mengkomunikasikan ide-ide dalam benak mereka dengan baik, benar dan runtut. Geometri Analitik membutuhkan kemampuan daya tilik keruangan, termasuk Geometri Analitik (representasi Aljabar dari bangun-bangun Geometri Analitik), dengan bantuan software komputer Geometer's Sketchpad visualisasi Geometri Analitik dari representasi Aljabarnya dan sebaliknya akan lebih jelas, guru maupun siswa dapat mengkomunikasikan konsep-konsep dengan lebih jelas. Pembelajaran Geometri Analitik Datar dengan ceramah dan bahan ajar cetakan mengakibatkan ketrampilan proses pembelajaran Geometri Analitik Datar peserta didik masih jauh dari harapan, perlu dilakukan pembelajaran yang inovatif dan bahan ajar yang sesuai untuk Geometri Analitik datar. Terlebih jika dibantu dengan software yang memang untuk Geometri Analitik datar diharapkan akan meningkatkan aktifitas dan ketrampilan proses memecahkan masalah untuk soal-soal materi Geometri Analitik datar lebih meningkat. Metode proyek digunakan untuk menjembatani bahan ajar soal-soal pemecahan masalah berbantuan software Geometer's Sketchpad dengan pembelajaran di kelas. Geometer's Sketchpad adalah software yang dapat digunakan untuk membantu abstraksi siswa dalam mempelajari atau mengerjakan permasalahan materi Geometri Analitik datar khususnya dalam bidang Cartesius. Pelatihan dan workshop " IbM Bagi Guru-Guru Matematika SMP Yang Mengalami Kesulitan Pemecahan Masalah Melalui Visualisasi Geometri Analitik dari representasi Aljabarnya dan sebaliknya Bidang Cartesius Berbantuan Software Geometer's Sketchpad" perlu dilakukan untuk meningkatkan ketrampilan dan visualisasi bangun-bangun Geometri Analitik datar dengan Geometer's Sketchpad dan integrasinya dalam pembelajaran pemecahan matematika di kelas. Pelatihan ini diterapkan pada Guru-guru Matematika MGMP Sub Rayon 2 di kota Semarang, diamati dan dianalisis peningkatan penguasaan konsep Geometri Analitik, ketrampilan menggambarkan representasi Aljabar ke dalam benda Geometri Analitik maupun sebaliknya dan peningkatan kemampuan komunikasi matematik terutama Geometri Analitik dalam pemecahan masalah. Pelatihan (Teori Geometri Analitik dan Praktek Geometer's Sketchpad) dilaksanakan selama 4x8 jam (4 hari), yaitu : Rabu tanggal 12 Agustus 2017, Kamis, tanggal 13 Agustus 2017, Rabu, tanggal 19 Agustus 2017, dan Kamis, 20 Agustus 2017. Pelatihan dilaksanakan di Aula gedung Serba Guna SMP Negeri 15 Semarang. Dilakukan tes awal dan tes akhir untuk melihat apakah ada peningkatan kemampuan penguasaan Geometri Analitik , dengan hasil : Rata-rata Nilai Pre-tes = 76,25, Rata-rata Nilai Pos-tes = 81, dianalisis peningkatannya dengan menggunakan Pairs Sample t-test, diperoleh nilai sig = 0.000, sehingga H0 ditolak dan H1 diterima dan dapat disimpulkan Nilai Rata-rata Pos-tes lebih baik dari Nilai Rata-rata Pre-tes, jadi ada peningkatan pemahaman dan ketrampilan Geometri Analitik dan Praktek Geometer's Sketchpad setelah dilaksanakan Pelatihan. Hasilpembuatan gambar-gambar menggunakan Geometer's Sketchpad sangat bagus dan menarik, dan peserta puas dengan pelatihan ini.
Analysis of Van Hiele's Geometry Thinking Ability in the 5E Learning Cycle Model with Ethnomatematics Nuances in terms of Student Self-efficacy Wijaya, Teguh Ananta; Zaenuri, Zaenuri; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

The purpose of this study is to describe the ability to think geometry in terms of self-efficacy of class VIII SMPIT Assaidiyyah students in 5E Learning Cycle with ethnomatematics nuances. The method in this study uses mixed methods with a concurrent embedded strategy that supports the data obtained from the primary method. In this research, quantitative research is the primary method while qualitative research is the secondary method. The population in this study are all students of class VIII SMPIT Assaidiyyah. Based on the analysis of the description of Van Hiele's geometric thinking skills in terms of student self-efficacy, it is obtained (a) In the category of high Self-efficacy levels, students' geometric thinking skills are at the visualization level, analysis level, and informal deduction level (b) In the category of moderate level of self-efficacy, the level of students' geometric thinking ability is at the visualization level and the analysis level (c) In the low Self-efficacy level category, the geometric thinking ability of students is at the visualization level.
Geometry Thinking Ability and Self Efficacy in Problem Based Learning Geogebra Assisted with Self Assessment Widiastuti, Ririn; Kartono, Kartono; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 10 No A (2021): January, 2021 (Special Edition)
Publisher : Universitas Negeri Semarang

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Abstract

The application of learning models and the selection of learning assessments affect learning outcomes. Besides that, the use of interactive software can also make it easier for students to understand the concept of geometry. This study aims to explain the quality of mathematics learning and the ability of thinking geometry in terms of students' self-efficacy of learning of problem-based learning models assisted by GeoGebra with self-assessment. The study was conducted with a mixed-method approach. The study population was students of class XI Al-Asror Semarang Vocational School with sample class XI TPTU 1 as an experimental class and XI TPTU 2 as a control class. The results showed that the quality of learning of problem-based learning models assisted by GeoGebra with self-assessment of the ability to think geometry and self-efficacy in class XI Al-Asror Vocational High School Semarang was very good and the ability to think the geometry of students in the high self-efficacy group showed very good categories, self-efficacy was included in the good category, and low self-efficacy included in the good enough category. So of learning model of problem based learning assisted by GeoGebra with self-assessment can improve students' geometry skills and self-efficacy.
Critical Thinking Ability of Senior High School Students in terms of Mathematical Self Efficacy in Project Based Learning with Project Assessment Sa'adah, Daroinis; Masrukan, Masrukan; Mariani, Scolastika
Unnes Journal of Mathematics Education Research Vol 10 No 1 (2021): June 2021
Publisher : Universitas Negeri Semarang

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Abstract

This study has objectives to determine the effectiveness of project-based learning on critical thinking skills in terms of students 'mathematical self-efficacy and to find out critical thinking skills in terms of students' mathematical self-efficacy in project-based learning. This research was conducted at MAN 1 Semarang in academic year of 2019/2020. The researcher used mix methods with sequential explanatory. The research data were taken by means of questionnaires, observations, and tests then those were processed by completeness test, comparative test, influence test, and improvement test. The results showed that project-based learning was effective against critical thinking skills in terms of students' mathematical self-efficacy. Students with high mathematical self-efficacy have excellent critical thinking skills. Students with moderate ability in mathematical self-efficacy are having good critical thinking skills. Students with low mathematical self-efficacy have quite good critical thinking skills even though some of them did not achieved the minimum completeness criteria (KKM). The project-based learning model is suitable for improving students 'critical thinking skills in terms of students' mathematical self-efficacy with high, medium, and low dimensions with a different time allotment for each dimension.
Co-Authors Abd. Rasyid Syamsuri Abduh, M. Faisal Agus Yulianto Al Ashari, Shoib Rizal Amin Suyitno Amin, Ihdi Ardhi Prabowo Arief Agoestanto Asna, Alivia Nur Astuti, Raras Setya Astuti, Sri Ady Azzahra, Tsania Rahma Bambang Eko Susilo Bambang Eko Susilo Bayujaga, Dian Budi Waluya Damaryanti, Desi Dwi Daroinis Sa’adah Dedeh Kurniasih Dr. Masrukan, Dr. Dwi Erna Novianti Dwijanto Dwijanto Dwijanto Dwijanto Dwijanto Dwijanto Dwijanto Dwijanto, Dwijanto Dwijayanto Dwijayanto E. Sulastri Edy Soedjoko Eko Supriyadi Ellya Masturina Hamid Endang Retno Winarti Endang Setyowati Endramawati, Tyas Ayun Enika Wulandari Erik Santoso Fani Laffanillah Fani Fathonah, Ika Ariwanti Fauziah, Isyatul Fitrianti, Dwi Agung Habaib, Taufik Nur Handayani, Kristina Haqiqi, Muhamad Irwan Hasriani Ishak Hening Windria Hikmasari, Prihatina Ihdi Amin Imanuel, Imanuel Indriani, Mikke Novia Iqbal Kharisudin Isnarto Isnarto Isnarto Isnarto Isnarto, Isnarto Isti Hidayah Istiqomah Ambarwati Iwan Junaedi Iwan Junaedi Jannah, Anita Nur Kartono - Kartono Kartono Khasmarawati, Vinda Kristina Wijayanti Kurniati, Chrisvonela Neri Lathifatun Ni'mah Lutfiani, Nurul M. Taufik Qurohman Ma'unah, Siti Malik, Ibnu Malik, Ibnu Marthinus Yohanes Ruamba Mashuri Mashuri Masrukan Masrukan Megita Dwi Pamungkas Megita Dwi Pamungkas Meilon, Beny Misa’adah, Fedriana Moh. Asikin Mohammad Asikin Muhammad Kharis Muhammad Marzuqi Mujiasih Mujiasih Mulyono Mulyono Mulyono Mulyono Muwahiddah, Ulil Nila Ubaidah Nofiyah, Noni Nugroho, Samuel Defri Nur Hidayati Nurariva Siregar Nurmutia, Halida Eka Nursasongko, Aditya Nuzul Putri Rahmawati Onwardono Rit Riyanto Pradina, Putri Dwi Pranawestu, Aditya Pratiwi, Yuninda Diah Putri, Dwi Liana Wella Putriaji Hendikawati Rahayu, Yenrika Kurniati Rahayuningsih, Rista Tri Ramadhani, Istika Ratri Ratnasari, Dwi Indah Rezky Bagus Pambudiarso, Rezky Bagus Ricky Fahmy, Ahmad Faridh Riza Arifudin Roby Sugiarto, Dede Retno Rochmad Rochmad Rochmad Rochmad Rosyidatul 'Ulya S. B. Waluya, S. B. Sa'adah, Daroinis Saiful Marom Saputri, Mike Sari, Fenny Tunjung Sari, Ratna Novita Sebastianus Fedi Setyaningsih, Lusianna Sri Solihah St. Budi Waluya Sudarsono Sudarsono Sugiman Sugiman Sukestiyarno Sukestiyarno Sunarmi Sunarmi Sunarti Susanti Susanti Vera Dewi Susanti Wahyu Ning Dewi Kumalaretna Wardono Wardono Wardono Wardono Widiastuti, Ririn Wijaya, Teguh Ananta Winayus, Riyan Fikri YL Sukestiyarno YL. Sukestiyarno Yoni Sunaryo Zaenuri Mastur