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Kognitif: Jurnal Riset HOTS Pendidikan Matematika
Published by Education and Talent Development Center Indonesia
ISSN : 27769984     EISSN : 27769704     DOI : 10.51574/kognitif
Core Subject : Science, Education, Social,
Computer Science & IT Education Library & Information Science Mathematics Social Sciences Other
Tujuan dari jurnal ini adalah untuk mempublikasikan penelitian berkualitas tinggi di bidang pendidikan matematika yang berkaitan dengan Higher Order Thinking Skills (HOTS) termasuk berpikir kritis, berpikir kreatif, penalaran matematis, pemahaman matematis, dll. Kami juga meneima riset tentang pembelajaran dan pengajaran matematika di semua level, baik dalam pembelajaran formal maupun informal.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 594 Documents
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Effectiveness of Problem-Based Learning Supported by PELIP Media on Elementary School Students Understanding of Probability Pitriyani Pitriyani; Maulana Maulana; Ani Nur Aeni
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 6 No. 2 (2026): April - June 2026
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v6i2.5131

Abstract

Probability is one of the subjects that students must master by the end of Phase C in elementary school. To help students understand probability concepts more clearly, the Problem-Based Learning (PBL) approach and the PELIP medium were used. This study aims to examine how the use of the Problem-Based Learning (PBL) approach supported by the PELIP medium, the use of the PELIP medium itself, and the PBL approach influence elementary school students’ understanding of probability concepts. This study employs a quantitative method with an experimental design. This study was conducted at two elementary schools SDN Cimasuk and SDN Lembang located in Pamulihan Subdistrict, Sumedang Regency, involving three groups that received different treatments. Data were collected through tests standards for validity, reliability, difficulty level, and the ability to distinguish between answers. Data analysis was conducted by examining baseline conditions, comparing differences between groups, measuring improvement within each group, and calculating N-Gain values. The results of the study show that all types of interventions successfully improved students’ understanding of probability concepts. The PBL class that used the PELIP medium saw its average score increase from 37.53 to 76.50, with an N-Gain of 0.63. The class using the PELIP medium saw its average score rise from 45.50 to 74.94, with an N-Gain of 0.56. Meanwhile, the PBL class’s scores increased from 40.35 to 80.06 with an N-Gain of 0.68, making it the group with the highest score increase. PBL approach using PELIP media, the use of PELIP media alone, and the PBL approach without PELIP media were all equally effective in improving elementary school students’ conceptual understanding of probability
Development of Realistic Mathematics Education (RME) Based Student Worksheets to Facilitate Junior High School Students' Mathematical Reasoning Ability Tiara Az Zahra; Redi Hermanto; Dedi Nurjamil
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 6 No. 2 (2026): April - June 2026
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v6i2.5154

Abstract

Junior high school students' mathematical reasoning ability still needs improvement, particularly in presenting mathematical information, formulating conjectures, applying concepts logically, evaluating the validity of arguments, and drawing conclusions. Therefore, this study aimed to develop a Realistic Mathematics Education (RME)-based Student Worksheet (SW) on statistics for eighth-grade junior high school students that is valid, practical, and limitedly effective in facilitating students' mathematical reasoning ability. This study employed a Research and Development (R&D) method using the ADDIE model, which consists of five stages: analysis, design, development, implementation, and evaluation. The research participants included two material experts, two media experts, 10 students in a small-group trial, and 25 eighth-grade students of SMP Negeri 13 Tasikmalaya in a field trial. Data were collected through interviews, validation sheets, student response questionnaires, and mathematical reasoning ability tests. The data were analyzed using descriptive quantitative and qualitative techniques. The results showed that the developed worksheet achieved a validity score of 88% from material experts and 95% from media experts, both categorized as highly valid. The practicality test indicated a student response rate of 91.5%, categorized as highly practical. The product's effectiveness was evaluated on a limited basis through a mathematical reasoning ability test, which showed a classical mastery level of 80%. These findings indicate that the RME-based Student Worksheet can facilitate students' mathematical reasoning ability in learning statistics. Therefore, the developed worksheet is feasible to be used as an alternative teaching material that supports contextual and student-centered mathematics learning.
Effectiveness of the Make a Match Model Based on Flashcard Media to Improve Students' Learning Outcomes on Fractions Nisrina Nila Fauzizah; Trimurtini Trimurtini; Ika Ratnaningrum
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 6 No. 2 (2026): April - June 2026
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v6i2.5259

Abstract

The low results Study mathematics material fractions in elementary school are caused by the abstract nature of the material and patterns, teaching isolated, teacher-centered. This study aims to test effectiveness application of the make-a-match model assisted by flashcard media to improve results Study mathematics material fractions compared with the Problem Based Learning (PBL) model. This type of research is a quantitative experiment with a quasi-experimental design with a non-equivalent control group design. Instrument data collection in the form of test results Study mathematics objective, 26 items, question choice double, which was tested as a pretest and posttest (Cronbach's alpha of 0.703). The data analysis technique uses statistical tests, descriptive and inferential, which include prerequisite tests and hypothesis testing using an independent-samples t-test and paired-samples t-test. The pretest results showed that the initial abilities of the two groups were relatively balanced with an average of 58.16 for the experimental class and 53.80 for the control class. After the intervention, the results showed a significant difference in learning outcomes between the two groups based on the independent samples t-test with a t value of 4.124, df = 58, and a p value < 0.001. The experimental class obtained a posttest average of 83.43, significantly higher than the control class (PBL), which obtained an average of 75.57. In addition, the Normalized Gain (N-Gain) test proved that the experimental class increased by 57.18% (moderate and more effective category), outperforming the control class, which only achieved 45.38% (moderate and quite effective category). Based on these results, it can be concluded that the application of the make-a-match model assisted by flashcard media is more effective in improving the mathematics learning outcomes in fractions compared to the use of the problem-based learning (PBL) model.
Exploration of Ethnomathematics in the Mandar Traditional House as A Source of Deep Learning Based Instruction in Schools Nurul Fiqriyah; Andi Aras; Buhaerah Buhaerah; Muhammad Ahsan
Kognitif: Jurnal Riset HOTS Pendidikan Matematika Vol. 6 No. 3 (2026): Juli - September 2026
Publisher : Education and Talent Development Center Indonesia (ETDC Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51574/kognitif.v6i3.5345

Abstract

This study aims to explore mathematical concepts found in the Mandar traditional house and their utilization in deep learning based instruction. The research employs a qualitative approach with an ethnographic method conducted in Majene Regency, West Sulawesi. Data were collected through observation, interviews, and documentation, and then analyzed using Spradley’s ethnographic model, which includes four stages: domain, taxonomic, componential, and thematic analysis. The results indicate that the Mandar traditional house contains various mathematical concepts, including plane geometry, parallel and intersecting lines, analytic geometry, and geometric transformations such as rotation, reflection, and translation. Floor patterns are modeled as repeated translations forming congruent and regularly arranged objects. The study also identifies a deep learning based instructional design that supports meaningful learning, active engagement, and an enjoyable learning environment. Therefore, the Mandar traditional house has the potential to serve as a contextual learning resource that can enhance students’ understanding of mathematical concepts while fostering cultural character development.

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