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All Journal Delta: Jurnal Ilmiah Pendidikan Matematika Didaktik : Jurnal Ilmiah PGSD STKIP Subang
Salamah, Alya
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Education Mathematics

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Developing Critical Thinking Using the Geogebra Integrated Deep Learning Approach on Quadratic Equations Material for Elementary School Students Aulia Ahmad, Indah; Hua, Maria Hendrika Lelita; Hanipah, Siti; Diana, Neng; Salamah, Alya; Faujiah, Evi; Dwiprabowo, Risky
Delta: Jurnal Ilmiah Pendidikan Matematika Vol. 13 No. 2 (2025): DELTA : JURNAL ILMIAH PENDIDIKAN MATEMATIKA
Publisher : Universitas Pekalongan

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Abstract

Critical mathematical thinking is a higher-order cognitive ability that plays a crucial role in understanding abstract algebraic concepts, particularly quadratic equations, at the elementary school level. This study aimed to examine the effectiveness of a GeoGebra-integrated deep learning approach in improving fifth-grade students’ critical mathematical thinking skills on quadratic equations material. A quantitative pre-experimental method with a one-group pretest–posttest design was employed involving 30 elementary school students. The learning activities emphasized problem orientation, dynamic visualization of quadratic graphs, exploration of coefficient–graph relationships, analytical reasoning, reflective discussion, and generalization through GeoGebra-assisted exploration. Students’ critical mathematical thinking skills were assessed across five indicators: identifying problems, analyzing conceptual relationships, formulating solution strategies, evaluating solutions, and drawing conclusions based on digital exploration. Data were analyzed using descriptive statistics and a paired-samples t-test. The results indicated a substantial improvement in students’ critical thinking skills, as reflected by higher mean posttest scores compared to pretest scores. The paired-samples t-test revealed a statistically significant difference (p < 0.001), accompanied by a very large effect size (Cohen’s d in the very large category), indicating strong practical effectiveness. These findings suggest that the GeoGebra-integrated deep learning approach is highly effective in fostering students’ critical mathematical thinking and provides a meaningful instructional strategy for learning quadratic equations in elementary education.
PEMBELAJARAN INOVATIF PADA KURIKULUM MERDEKA DI SEKOLAH DASAR NEGERI CIBUBUR 11 PAGI Salamah, Alya; Aulia Sakinah, Jihan; Lillian Harvani Santoso, Talitha; Nur Alifa, Fathiya; Puput Anggraini, Dwi; Dwiprabowo, Risky
Didaktik : Jurnal Ilmiah PGSD STKIP Subang Vol. 12 No. 02 (2026): Volume 12 Nomor 02, Juni 2026 Published
Publisher : STKIP Subang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36989/didaktik.v12i02.12906

Abstract

This study aims to describe the implementation of the Merdeka Curriculum at SDNCibubur 11 Pagi, East Jakarta, and the school's strategies in facing 21st-centuryeducational challenges. The main focus of this study includes learningtransformation through the concept of deep learning, integration of digitaltechnology, and strengthening school culture through the Pancasila StudentProfile. The method used is descriptive qualitative through observation of schoolactivities and internal policy analysis. Results indicate that SDN Cibubur 11 Pagihas successfully adopted curriculum flexibility through the preparation of one-pageDeep Learning Plans (RPM) and the utilization of interactive devices such asInteractive Flat Panels (IFP). Efforts to improve teacher competence are carriedout collectively through the "Jumat Belajar" (Jumber) program. Despite constraintsin limited technological facilities and the adaptation of senior teachers, the schooltakes anticipatory steps through systematic budget management and teachercollaboration. A structured school culture through daily activities and the 5Scharacter strengthening serves as an essential foundation in achieving theschool's vision of being intelligent, characterized, and innovative.
Co-Authors Aulia Ahmad, Indah Aulia Sakinah, Jihan Diana, Neng Dwiprabowo, Risky Faujiah, Evi Hanipah, Siti Hua, Maria Hendrika Lelita Lillian Harvani Santoso, Talitha Nur Alifa, Fathiya Puput Anggraini, Dwi