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Sri Rahma Dewi Saragih
Universitas Asahan
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PENGARUH MODEL PEMBELAJARAN CONNECTING ORGANIZING REFLECTING EXTENDING (CORE) BERBANTU APLIKASI QUIZIZZ TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA Dhea Rasti Br. Damanik; Sri Rahmah Dewi Saragih
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 3 No. 2 (2025): Juli 2025
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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The purpose of this research is to determine the effect of using the Connecting Organizing Reflecting Extending (CORE) Learning Model in the form of the Quizizz Application on the Problem Solving Ability at Xth Class Students of SMK Negeri 6 Tanjungbalai This type of research is quantitative research. The data collection technique used was quasi-experimental, namely Pretest-Posttest Control Group Design. The samples taken are Xth-Marketing-I class as an experimental class using the CORE learning model and Xth -Pharmacy-I Class as a control class using a direct learning, where each class consisted of 36 people using the purposive sampling method. The research instrument taken was a posttest of students' problem solving abilities using the t test. After the learning was given, the posttest obtained an average 82.806 with a standard deviation of 7.266 and the average problem solving ability of students using the direct learning model was 76.972 with a standard deviation of 6.036. The results of the hypothesis test and obtained thus that is rejected and is dirtyma. Thus, there is an influence of the Connecting Organizing Reflecting Extending (CORE) Learning Model in the form of the Quizizz Application on the Problem Solving Ability of Class.   Keywords: CORE, Quizizz Application, Student Problem Solving     Tujuan penelitian ini adalah untuk mengetahui apakah terdapat pengaruh dalam menggunakan Model Pembelajaran Connecting Organizing Reflecting Extending (CORE) Berbentu Aplikasi Quizizz Terhadap Kemampuan Pemecahan Masalah Siswa Kelas X SMK Negeri 6 Kota Tanjungbalai. Jenis penelitian ini adalah penelitian kuantitatif. Teknik pengumpulan data yang digunakan adalah quasy experiment yaitu Pretest-Posttest Control Group Design. Sampel yang di ambil adalah kelas X-Marketing-I sebagai kelas eksperimen menggunakan model pembelajaran CORE dan kelas X-Farmasi-I sebagai kelas kontrol menggunakan model pembelajaran langsung yang dimana setiap kelas berjumlah 36 orang dengan menggunakan metode purposive sampling. Instrument penelitian yang diambil adala posttest kemampuan pemecahan masalah siswa dengan menggunakan uji t. Setelah pembelajaran diberikan diperoleh posttest dengan rata-ratanya adalah 82,806 dengan simpangan baku 7,266 dan rata-rata kemampuan pemecahan masalah siswa dengan menggunakan model pembelajaran langsung adalah 76,972 dengan simpangan baku 6,036. Hasil dari uji hipotesis dan diperoleh sehingga ditolak dan dirterima. Dengan demikian terdapat pengaruh Model Pembelajaran Connecting Organizing Reflecting Extending (CORE) Berbentu Aplikasi Quizizz Terhadap Kemampuan Pemecahan Masalah Siswa Kelas X SMK Negeri 6 Kota Tanjungbalai.  
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE TAI (TEAM ASSISTED INDIVIDUALIZATION) BERBANTUAN E-LKPD TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA KELAS X SMK NEGERI 6 TANJUNGBALAI T.A 2023/2024 Hazli Azwar Hasibuan; Sri Rahmah Dewi Saragih
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 3 No. 1 (2025): Januari 2025
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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This research aims to determine the effect of the TAI (Team Assisted Individualization) learning model assisted by E-LKPD on students' mathematical communication skills in statistics material. This type of research is quantitative research. The data collection technique used in this research is a quasi experiment, namely Pretest-Posttest Control Group Design. The samples taken were class X Pharmacy 1 as an experimental class and X-I Marketingas the control one, where each class consisted of 36 students using the purposive sampling method. The research instrument taken was a posttest of students' mathematical communication skills using the t test. After the learning was given, the posttest obtained an average of 81.611 with a standard deviation of 8.361 and the average of students' communication skills using the direct learning model is 64.25 with a standard deviation of 7.177. Hypothesis test results 𝑡𝑐𝑜𝑢𝑛𝑡 = 3.537and 𝑡𝑡𝑎𝑏𝑒𝑙 = 1.667 obtained 𝑡𝑐𝑜𝑢𝑛𝑡 (3.537) > 𝑡𝑡𝑎𝑏𝑙𝑒 (1.667)and this meant that 𝐻0 is rejected and H1 is accepted. Thus, there is an influence of the TAI (Team Assisted Individualization) Learning Model on the Mathematical Communication Ability at Xth class Students of SMK Negeri 6 Tanjungbalai.Keywords: TAI, E-LKPD, Student Mathematical CommunicationPenelitian ini bertujuan untuk mengetahui pengaruh model pembelajaran TAI (Team Assisted Individualization) Berbantuan E–LKPD Terhadap Kemampuan Komunikasi Matematis Siswa dalam materi statistika. Jenis penelitian ini adalah penelitian kuantitatif. Teknik pengumpulan data yang digunakan dalam penelitian ini adalah menggunakan quasy experiment yaitu Pretest-Posttest Control Group Design. Sampel yang diambil adalah kelas X Farmasi 1 sebagai kelas eksperimen dan kelas X Marketing 1 sebagai kelas kontrol yang dimana setiap kelas berjumlah 36 orang dengan memakai metode purposive sampling. Instrumen penelitian yang diambil adalah posttest kemampuan komunikasi matematis siswa dengan menggunakan uji t. setelah pembelajaran diberikan diperoleh posttest dengan rata-ratanya adalah 81,611 dengan simpangan baku 8,361 dan rata-rata kemampuan komunikasi siswa dengan menggunakan model pembelajaran langsung adalah 64,25 dengan simpangan baku adalah 7,177. Hasil uji hipotesis 𝑡h𝑖𝑡𝑢𝑛𝑔 = 3,537 dan 𝑡𝑡𝑎𝑏𝑒𝑙 = 1,667 diperoleh 𝑡h𝑖𝑡𝑢𝑛𝑔 (3,537) > 𝑡𝑡𝑎𝑏𝑒𝑙 (1,667), sehingga 𝐻0 ditolak dan 𝐻1 diterima. Dengan demikian terdapat Pengaruh Model Pembelajaran TAI (Team Assisted Individualization) Terhadap Kemampuan Komunikasi Matematis Siswa Kelas X SMK Negeri 6 Tanjungbalai.Kata Kunci: TAI, E-LKPD, Komunikasi Matematis Siswa
PENGARUH MODEL PEMBELAJARAN PROJECT BASED LEARNING (PjBL) TERHADAP KEMAMPUAN BERPIKIR KRITIS Mei Swastika Arbawie; Sri Rahmah Dewi Saragih
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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The aim of this study is to determine whether there is an effect or not the implementation of the Project Based Learning (PjBL) learning model on critical thinking skills in the spatial structure subject at VIIIth class students of MTs Citra Abdi Negoro in 2024/2025 Academic Year. The type of research is a quasi-experimental study with a two-group pre-test and post-test research design. The population are all VIIIth class students consisting of 3 classes. The research sample are 2 classes (VIII-1 and VIII-2 class). VIIIth-1 class as an experimental class using the Project Based Learning (PjBL) learning model and in VIIIth-2 class as a control class with a conventional learning model. The average pre-test score in the experimental class (54.93) while the average score in the control class (53.80). After completing the learning, a post-test was obtained with an average result of the experimental class (75.80) and the control class (63.17). The t-test results obtained = 3.083 > = 2.002, means it is accepted and there is a positive and significant influence in the application of the Project Based Learning (PjBL) learning model on Critical Thinking Skills Assisted by Interactive Videos at VIIIth class students of MTs Citra Abdi Negoro in 2024/2025 Academic Year.
ANALISIS KEMAMPUAN BERPIKIR KREATIF MATEMATIS SISWA MELALUI MODEL REALISTIC MATHEMATIC EDUCATION (RME) BERBANTUAN WIZER.ME Yenni Syafitri; Sri Rahmah Dewi Saragih
Diskrit: Jurnal Inovasi Pendidikan Matematika Vol. 4 No. 1 (2026): Januari 2026
Publisher : Program Studi Pendidikan Matematika, Universitas Asahan

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Abstract

This study aims to analyze students’ creative thinking skills and identify the factors that influence these skills in mathematics learning. A qualitative approach was used with the Realistic Mathematics Education (RME) model. The research involved 30 seventh-grade students from Class VII A. Data were collected through creative thinking tests and documentation, with the tests administered door to door. The results show that the average level of students’ creative thinking ability was 28.13%, categorized as moderate. Further analysis indicates that students in the high and medium groups did not face significant barriers related to factors affecting creative thinking, whereas those in the low group experienced difficulties in intrinsic motivation and prior knowledge. These obstacles limited their ability to generate ideas and solve problems creatively. The findings suggest that the RME model can support the development of creative thinking skills, although additional support is needed for students with low motivation and limited conceptual understanding.
Co-Authors Amalia Amalia Amanda Rizky Aulia Putri Anil Hakim Syofra Anshoruddin Anshoruddin Ayu Safira Desniarti Desniarti Dhea Rasti Br. Damanik Dian Novianti Sitompul Dita Khairani Hasibuan Dita Niarti Ely Syafitri Eukaristo Sotar Duga Purba Eva Margaretha Saragih Hariyanti Hariyanti Hazli Azwar Hasibuan Hikmatun Hasanah Hilya Putri Intan Zarina Manurung Juni Yanti Juwita Rizky Br Dmk Mei Swastika Arbawie Miftahul Husna Sirait mitra pasaribu Muhamer Sukri Sitorus Oktaviana Nirmala Purba Putri Lidiana Permata Sari Raihana Tresna Suciati Ramona Harahap Riska Amelia Putri Rizka Fahruza Siregar Rizki Aulia Siti Rahmawati Sri Dita Arianti Sri Rahayu Tua Holomoan Harahap Ulina Agustina Harahap Yenni Syafitri