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Emi Pujiastuti

Program Studi Magister Pendidikan Matematika, Universitas Negeri Semarang, Jawa Tengah 50229, Indonesia

Author-ID : 348394

Religion Arts Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Physics Social Sciences Other

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WORKING MEMORY DAN KREATIVITAS DALAM PENELITIAN PEMBELAJARAN MATEMATIKA: TINJAUAN LITERATUR SISTEMATIS Harisuddin, Muhammad Iqbal; Zaenuri, Zaenuri; Sukestiyarno, Yohanes Leonardus; Waluya, St. Budi; Pujiastuti, Emi
Jurnal Muara Pendidikan Vol. 10 No. 2 (2025): Jurnal Muara Pendidikan, Vol 10 Issue 2, Desember 2025
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/mp.v10i2.3461

Research on mathematics learning is increasing and developing. However, empirical research ideas on working memory (WM) and creativity are still very limited. Educators must train students' WM skills in addition to providing reinforcement for mathematics learning. A systematic literature review follows the 10-step approach by Gough et al. The research questions consist of: What are the ideas about the definition, components and abilities of working memory? The idea of Working Memory in mathematics learning related to reasoning, problem solving and creativity? The researcher determined the publication period of the relatively latest articles in 2015 - 2024. The researcher conducted a database search on PsycInfo, MathEduc, Harzing's Publish or Perish and Scopus. Meanwhile, to determine the quality of the journal, the researcher based it on the database on ScimagoJR. After sorting, the articles analyzed were 37 found in 18 different journals. There are six definitions of WM, four related to working memory components, 10 related to working memory abilities, two related to working memory descriptions of reasoning and problem solving, three related to descriptions of creativity and three ideas of WM in mathematics learning, namely arithmetic, geometry and algebra.

Mathematical modelling problem solving with respect to students’ mathematical resilience in GeoGebra-assisted mea learning Lutfiyana, Lina; Pujiastuti, Emi; Kharisudin, Iqbal
Alifmatika (Jurnal pendidikan dan pembelajaran Matematika) Vol 7 No 2 (2025): Alifmatika - December
Publisher : Fakultas Tarbiyah Universitas Ibrahimy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35316/alifmatika.2025.v7i2.233-259

Problem-solving is a crucial 21st-century skill that plays a vital role in mathematics education. One practical approach to developing this skill is through mathematical modelling, particularly by employing GeoGebra-assisted MEA learning. This study aims to: (1) evaluate the quality of GeoGebra-assisted MEA learning; (2) examine the influence of mathematical resilience on Mathematical Modelling Problem-Solving Ability (MMPSA); and (3) describe students’ MMPSA based on their levels of mathematical resilience. A mixed-methods approach was employed using a Sequential Explanatory design, with instruments including questionnaires, tests, observations, and interviews. The sample consisted of Class VII A as the experimental group and Class VII B as the control group, each comprising 30 students. Eight students were selected as qualitative subjects based on their mathematical resilience levels. The results indicate that GeoGebra-assisted MEA learning demonstrates high instructional quality and significantly enhances students’ MMPSA. Quantitative findings show that mathematical resilience has a significant effect, accounting for 30% of the variance in students’ problem-solving performance. These results are further supported by qualitative data obtained through observations and interviews. Students with high resilience tended to be confident, persistent, and effective in solving problems. Those with moderate resilience showed adequate capability but lacked precision, while students with low resilience were easily discouraged and exhibited low self-confidence. In conclusion, integrating quantitative and qualitative findings underscores the importance of fostering mathematical resilience to enhance students’ problem-solving abilities, particularly in the context of GeoGebra-assisted MEA in mathematical modelling.

META SINTESIS: PENALARAN MATEMATIS MELALUI PENDEKATAN OPEN-ENDED Ulya Ulfiyati; Mariani Scolastika; Isnaini Rosyida; Emi Pujiastuti; Mulyono Mulyono
EDU-MAT: Jurnal Pendidikan Matematika Vol 13, No 1 (2025)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/edumat.v13i1.21046

Abstrak: Tujuan penelitian ini adalah untuk mendeskripsikan pendekatan open-ended terhadap peningkatan kemampuan penalaran matematis siswa. Penjelasan tersebut menunjukkan pentingnya melakukan meta-sintesis secara komprehensif tentang pengaruh pendekatan open-ended untuk meningkatkan kemampuan penalaran matematis secara keseluruhan, jelas, dan mendalam. Metode penelitian ini adalah penelitian dengan jenis meta analisis, dimana peneliti akan merangkum data penelitian, mereview, dan menganalisis data penelitian dari beberapa hasil penelitian yang sudah ada sebelumnya. Hasil penelitian ini adalah pendekatan open-ended terbukti efektif dalam meningkatkan kemampuan penalaran matematis, yang ditinjau dari 4 indikator yaitu, mengajukan dugaan, melakukan manipulasi matematika, memberikan kesimpulan, menyusun bukti, memberikan alasan atau bukti terhadap beberapa solusi, serta memeriksa kesahihan dari pernyataan. Kata kunci: Penalaran Matematis, Open-ended, Meta Sintesis. Abstract: This research aimed to describe an open-ended approach to improving students' mathematical reasoning abilities. This explanation shows the importance of conducting a comprehensive meta-synthesis regarding the influence of the open-ended approach to improving overall, transparent and in-depth mathematical reasoning abilities. This research method is meta-analysis type research, where researchers will summarize research data, review and analyze data from several previously existing research results. The results of this research are that the open-ended approach is proven to be effective in improving mathematical reasoning abilities, which are viewed from 4 indicators, namely, making conjectures, carrying out mathematical manipulations, providing conclusions, compiling evidence, providing reasons or evidence for several solutions, and checking the validity of statements. Keywords: Mathematical Reasoning, Open-ended, Meta Synthesis.

Unpacking Students' Lack of Flexibility: A Descriptive Analysis of Mathematical Creative Thinking in High School Susilawati, Susilawati; Sukestiyarno, Yohanes Leonardus; Pujiastuti, Emi; Asih, Tri Sri Noor
Mosharafa: Jurnal Pendidikan Matematika Vol. 14 No. 4 (2025): October
Publisher : Department of Mathematics Education Program IPI Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31980/mosharafa.v14i4.3553

Penelitian ini difokuskan untuk menganalisis kemampuan berpikir kreatif matematis siswa SMA dalam menyelesaikan masalah matematika. Metode yang digunakan adalah pendekatan kualitatif deskriptif dengan melibatkan 34 siswa kelas X di salah satu sekolah di Kabupaten Cirebon. Teknik pengumpulan data dilakukan melalui tes, observasi, dan wawancara. Data yang diperoleh dianalisis menggunakan reduksi data, penyajian data, dan penarikan kesimpulan. Temuan penelitian menunjukkan bahwa secara keseluruhan siswa berada pada kategori sedang yang memenuhi indikator kelancaran, orisinalitas, dan elaborasi. Hanya 1 siswa dengan kategori tinggi, 30 siswa kategori sedang, dan 3 siswa kategori rendah. Dominannya kategori sedang disebabkan oleh keterbatasan siswa dalam mengembangkan strategi penyelesaian alternatif. Indikator dengan rata rata tertinggi adalah kelancaran, sedangkan indikator terendah adalah fleksibilitas. Temuan ini menunjukkan bahwa siswa cukup mampu menghasilkan ide, tetapi masih kurang fleksibel dalam menggunakan strategi pemecahan masalah. Sehingga, Kemampuan ini perlu ditingkatkan agar siswa dapat memecahkan masalah dengan berbagai solusi dan memenuhi tuntutan pembelajaran abad ke 21. This study focused on analyzing the¬ mathematical creative thinking abilities of high school students in solving mathematical problems. The method used was a descriptive qualitative approach involving 34 grade 10 students in one of the schools in Cirebon Regency. Data collection techniques were carried out through tests, observations, and interviews. The data obtained were analyzed using data reduction, data presentation, and drawing conclusions. The research findings showed that overall students were in the medium category that met the indicators of fluency, originality, and elaboration. Only 1 student was in the high category, 30 students were in the medium category, and 3 students were in the low category. The dominance of the medium category was caused by students' limitations in developing alternative solution strategies. The indicator with the highest average was fluency, while the lowest indicator was flexibility. These findings indicate that students are quite capable of generating ideas, but still lack flexibility in using problem solving strategies. Therefore, this ability needs to be improved so that students can solve problems with various solutions and meet the demands of 21st century learning.

IMPLEMENTASI MODEL PEMBELAJARAN PROJECT BASED LEARNING (PjBL) UNTUK MENINGKATKAN KEMAMPUAN LITERASI MATEMATIKA Rega Dian Kusuma; Emi Pujiastuti; Mulyono
Jurnal Ilmiah Tarbiyah Umat Vol. 14 No. 1 (2024): JITU: Jurnal Ilmiah Tarbiyah Umat
Publisher : IAI DDI POLEWALI MANDAR

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36915/jitu.v14i1.319

This research aims to describe whether learning using the project based learning (PjBL) model is effective in improving students' mathematical literacy skills at Bina Nusantara Vocational School, Mranggen, Demak. This research was conducted as a quasi-experiment, namely testing only one class group before and after the test. The research population was all classes XI TKJJ 1 as the experimental class and XI TKJJ 2 as the control class. The aim of this research is to improve students' mathematical abilities which are assessed using the essay style examination method. The use of inferential statistical analysis techniques is used to analyze test result data using project-based learning (PjBL) as a means of improving students' mathematical abilities. Inferential statistics were used to test the research hypothesis using the paired sample t test with a significance level of 0.05. The research results show that students' skills taught using the PjBL model are better. This is shown by the significance results of the T test of 0.000<0.05, which means that the PjBL learning model has an influence and improvement on students' mathematical literacy at SMK Bina Nusantara Mranggen. The N-Gain score has an average of 69.38 or 69.38%. then this percentage is an effective stage in implementing the project based learning (PjBL) learning model

Meningkatkan Kemampuan Pemecahan Masalah Matematis dengan Model PBL-RME Berbantuan Liveworksheets Ditinjau dari Self-Efficacy Angraeni, Chelsy; Pujiastuti, Emi
Imajiner: Jurnal Matematika dan Pendidikan Matematika Vol 8, No 2 (2026): Imajiner: Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/imajiner.v8i2.26844

Rendahnya kemampuan pemecahan masalah matematis menjadi dasar pelaksanaan penelitian ini. Penelitian ini bertujuan menguji keefektifan model Problem Based Learning dengan pendekatan Realistic Mathematics Education berbantuan Liveworksheets, pengaruh self-efficacy dengan kemampuan pemecahan masalah matematis, dan deskripsi kemampuan pemecahan masalah matematis ditinjau dari self-efficacy di kelas VIII SMP. Jenis penelitian ini adalah pretest-posttest control group design. Tes kemampuan pemecahan masalah matematis, angket self-efficacy, dan hasil wawancara subjek akan digunakan sebagai instrumen penelitian. Pengujian hipotesis dalam penelitian ini menggunakan uji rata-rata satu sampel, uji z, uji t sampel tidak berpasangan, dan uji regresi linear sederhana. Populasi penelitian ini adalah 233 siswa kelas VIII SMP N 14 Pekalongan. Hasil penelitian menemukan bahwa pembelajaran PBL-RME berbantuan Livewoksheets efektif, self-efficacy berpengaruh terhadap kemampuan pemecahan masalah matematis (semakin tinggi self-efficacy, maka kemampuan pemecahan masalah matematis cenderung meningkat), dan dua subjek dengan kategori self-efficacy tinggi mempunyai kemampuan pemecahan masalah matematis yang tinggi, dua subjek dengan kategori self-efficacy sedang mempunyai kemampuan pemecahan masalah matematis yang sedang, serta dua subjek dengan kategori self-efficacy rendah mempunyai kemampuan pemecahan masalah matematis yang rendah.

Edupreneurial Innovations in Mathematical Literacy and Global Instructional Practices Sumliyah, Sumliyah; Wardono, Wardono; Mariani, Scolastika; Waluya, Stevanus Budi; Pujiastuti, Emi; Ani, Nyree
Aptisi Transactions On Technopreneurship (ATT) Vol 8 No 2 (2026): July
Publisher : Pandawan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34306/att.v8i2.722

This study provides a global synthesis of pedagogical innovations and research developments in mathematical literacy from 2022 to 2026, uniquely emphasizing an edupreneurial perspective that integrates entrepreneurial creativity into mathematics education through innovative teaching and learning practices. The analysis utilizes the Scopus, ERIC, and Google Scholar databases to identify global trends and research gaps. Employing the Systematic Literature Review (SLR) method based on the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) framework, a total of 564 articles were initially identified, with selected studies analyzed to address predefined research questions. The review highlights that research on mathematical literacy is predominantly characterized by qualitative and quantitative approaches, with junior high school students as the most frequent subjects and research settings. A growing trend in edupreneurial pedagogical practices is evident through the integration of contextual problem-solving strategies, ethnomathematical perspectives, and technology-enhanced learning models. Recommendations for future research and policy include strengthening teacher conceptual understanding of mathematical literacy, developing contextually rich assessment models, advancing technology-integrated instruction, and expanding research toward psychological factors influencing mathematical literacy. Moreover, the study underscores the need for increased research at the vocational education level and calls for education policymakers to design and implement professional development programs aimed at enhancing teachers’ and students’ competencies in mathematical literacy through innovative, entrepreneurial-based learning approaches.

WORKING MEMORY DAN KREATIVITAS DALAM PENELITIAN PEMBELAJARAN MATEMATIKA: TINJAUAN LITERATUR SISTEMATIS Muhammad Iqbal Harisuddin; Zaenuri Zaenuri; Yohanes Leonardus Sukestiyarno; St. Budi Waluya; Emi Pujiastuti
Jurnal Muara Pendidikan Vol. 10 No. 2 (2025): Jurnal Muara Pendidikan, Vol 10 Issue 2, Desember 2025
Publisher : LPPM Universitas Muhammadiyah Muara Bungo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52060/mp.v10i2.3461

Strengthening problem-solving competence of vocational high school students through a deep learning approach integrated with digitalization of mathematics learning Pujiastuti, Emi; Rosyida, Isnaini; Sugiman
Al-Jabar: Jurnal Pendidikan Matematika Vol 17 No 2 (2026): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Universitas Islam Raden Intan Lampung, INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/ajpm.v17i2.311288

Purpose: This study examines the implementation of digitalized mathematics learning integrated with digital assessment and the Deep Learning approach to support the development of problem-solving competence among Grade X vocational high school students and to evaluate teachers’ readiness to implement the instructional innovation. Method: A convergent parallel mixed-methods design was employed. The study was conducted in five vocational high schools in Central Java, Indonesia. Initial trials were carried out at SVHS 1 Demak and SVHS 1 Pekalongan, followed by field implementation at SVHS Moenadi Ungaran, SVHS 8 Semarang, and SVHS 5 Kendal. Quantitative data were collected through problem-solving competence assessments and teacher performance evaluations, while qualitative data were gathered through interviews, observations, and documentation. Quantitative data were analyzed using descriptive statistics, normality tests, and one-sample t-tests, whereas qualitative data were analyzed through coding, categorization, and thematic interpretation. Findings: Students demonstrated consistently high levels of problem-solving competence across participating schools, with mean scores ranging from 81.44 to 84.94. Teachers also showed strong readiness to develop and implement digitalized mathematics learning, achieving a mean performance score of 86.36, which was significantly higher than the predetermined criterion score. Qualitative findings revealed positive teacher acceptance, active student engagement, and favorable perceptions of the learning experience, although limited internet accessibility remained a practical challenge. Significance: The findings indicate that integrating digitalized mathematics learning, digital assessment, and the principles of Mindful Learning, Meaningful Learning, and Joyful Learning can support problem-solving competence in vocational mathematics education. This study contributes empirical evidence to technology-enhanced mathematics learning and provides practical guidance for implementing student-centered and digitally supported instruction in vocational schools.

POTENSI MODEL CHALLENGE BASED LEARNING TERINTEGRASI STEM CONTEXT BERBASIS VIDEO ANIMASI TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS Salma Noor Fitria Jati; Emi Pujiastuti
Al-Irsyad Journal of Mathematics Education Vol 5 No 1 (2026): AL–IRSYAD JOURNAL OF MATHEMATICS EDUCATION
Publisher : Sekolah Tinggi Keguruan dan Ilmu Pendidikan Darud Da'wah Wal Irsyad Pinrang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58917/ijme.v5i1.635

Indonesia tengah memasuki era Revolusi Industri 4.0 sehingga peningkatan kualitas sumber daya manusia melalui penguasaan keterampilan abad ke-21 menjadi penting untuk mendukung daya saing global. Salah satu ketrampilan abad ke-21, yaitu kemampuan pemecahan masalah matematis. Namun, fakta menunjukkan bahwa kemampuan pemecahan masalah matematis perserta didik masih dalam kategori mendasar. Oleh karena itu, inovasi dalam pembelajaran sangat penting untuk mendukung peningkatan kemampuan dalam memecahkan masalah matematis. Model CBL-STEM yang didasarkan pada video animasi menjadi salah satu alternatif untuk memperbaiki kemampuan dalam menyelesaikan masalah matematis. Tujuan dari studi ini adalah untuk menjelaskan usaha peningkatan keterampilan dalam menyelesaikan masalah matematis melalui penggunaan Challenge Based Learning (CBL) yang terintegrasi dengan konteks STEM yang berbasis pada video animasi. Metode yang diterapkan dalam penelitian ini adalah Systematic Literature Review (SLR) dengan pendekatan analisis yang meliputi tiga tahap, yakni: (1) pengelompokan, (2) penggabungan, dan (3) penentuan. Temuan dari penyelidikan ini mengungkapkan bahwa model CBL mendorong terwujudnya pembelajaran yang bermakna dengan menghubungkan konteks STEM dengan aktivitas sehari-hari. Integrasi STEM education dan world problem dalam CBL melatih peserta didik dalam menyelesaikan masalah kontekstual. Video animasi berperan sebagai media yang membantu memvisualisasikan ide utama dan materi pembelajaran sehingga memudahkan peserta didik dalam menganalisis menentukan strategi dan menyelesaikan masalah. Implementasi inovasi CBL-STEM yang berlandaskan video animasi memiliki kemungkinan untuk dikembangkan pada berbagai konsep dalam matematika.

Co-Authors Adi Nur Cahyono Afriyanti, Ice Akmalatul Munawaroh Alif Hazira, Kurnia Vera Alifatul Muyasaroh Amalludin, Subuh Amidi Amidi, Amidi Amin Suyitno Anggun Tri Prabawati Angraeni, Chelsy Ani, Nyree Anintya, Yolanda Astrid Ardhi Prabowo Ary Woro Kurniasih Asih, Tri Sri Noor Bambang Eko Susilo Bambang Eko Susilo Bambang Eko Susilo Budhiharti, Susi Juwita Choifah Choifah Dewi, Arsiana Kusuma Dewi, Heni Lilia Dr. Masrukan, Dr. E. Widiyaningsih Edy Soedjoko Endang Sugiharti, Endang Erin Clariza Br Surbakti Hamidah Hamidah Handayani, Ika Martyana Haryanto, Clarasati Hery Sutarto Ika Martyana Handayani Ilyyana, Kharisma Indah Urwatin Wusqo Iqbal Kharisudin Isnaini Rosyida Isnaini Rosyida, Isnaini Isti Hidayah Jaka Wijaya Kusuma Kartika, Yudha Kristia Kartono , Korkor, Sarah Kristina Wijayanti Kumaralalita, Candrika Kurniati, Ida Wahyu Lailatus Syarifah Lala Nailah Zamnah Lala Nailah Zamnah Lina Lutfiyana Lutfiyana, Lina Makis Setiawan Mariani Scolastika Mariani, Isnaini Rosyida Mariya, Dian Mashuri Mashuri Maulida Nur Muh. Fajar Safaatullah Muh. Sahidun Muh. Sahidun Muhammad Ichwan Anshori Muhammad Iqbal Harisuddin Muhammad Iqbal Harisuddin Muhammad Rifqi Azizi Mulyono Mulyono Mulyono Mulyono Mulyono Mulyono Muslih Hasan Pambudi Najma Fatikasari Nanang Sungkowo Nikmah, Aizzatun Nirwana Zuhaida Nisa', Ziyana Endah Khairun Nuhyal Ulia Nungki Anditiasari Nur Fathaillah Pajrin Nurfaidah Nurfaidah Nurfaidah Nurfaidah Nurfaidah Nuriana Rachmani Dewi Pajrin, Nur Fathaillah Paramitha, Witha Pradinar, Fanindya Dwisetiya Pramesti, Santika Lya Diah Pramesti Pratinuari, Karina Putriaji Hendikawati Rahmawati, Rofiqo Ramiro Santiago Ikhsan Rega Dian Kusuma Rega Dian Kusuma Rezi Ariawan Rina Rahmawati, Rina Rochmad - Rochmad Rochmad S B Waluya Sahidun, Muh sahidunsuhud sahidun Salma Noor Fitria Jati Saodah, Nursaodah Satoto, Seto Scolastika Mariani Scolastika, Mariani Setiawan, Makis Setiyani Siti Nur Amanah Sri Lestari St. Budi Waluya St. Budi Waluya Sugiarto S Sugiman Sugiman Sugiman -, Sugiman Sugiman Sugiman Suhito Suhito Sukestiyarno Sukestiyarno Sukestiyarno Sukestiyarno Sukestiyarno, Yohannes Leonardus Sumliyah Sumliyah, Sumliyah Susanti, Wiwik Susilawati Susilawati Try Suprayo Ulfiyati, Ulya Ulya Ulfiyati Veronica, Rahayu Budhiati Vika Oktoviani Virgonanto, Titis Hari Walid Walid Walid, Walid Wardono Wardono Wardono WIDYANINGRUM, PRIMA SEKAR Wuryanto Wuryanto Yohanes Leonardus Sukestiyarno Zaenuri Mastur Zaenuri Zaenuri Zafrullah, Zafrullah Zainnur Wijayanto Zainnur Wijayanto Zakiri, Ishmah Khairina Zidna Nurus Sakinah

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