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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Jurnal Karya Abdi Masyarakat
Isnania
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PENGEMBANGAN LKPD BERBASIS PENDEKATAN CONCRETE PICTORIAL ABSTRACT UNTUK SISWA KELAS II SD PADA MATERI PECAHAN Amalia, Vita; Sastrawati, Eka; Isnania
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 03 (2026): Volume 11 Nomor 03, September 2026 Published
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i03.58872

Abstract

Mathematics learning in elementary schools aims to help students develop a meaningful understanding of mathematical concepts. However, fractions are often considered difficult for young learners because they involve abstract concepts that are not easily connected to students’ real-life experiences. One instructional approach that can facilitate conceptual understanding is the Concrete–Pictorial– Abstract (CPA) approach. The CPA approach guides students through three stages of learning: using concrete objects, visual representations, and abstract mathematical symbols. This study aimed to develop a Student Worksheet (LKPD) based on the Concrete–Pictorial–Abstract (CPA) approach for fraction material in Grade II elementary school and to determine its validity and practicality. This research employed a Research and Development (R&D) method using the ADDIE model, which consists of Analysis, Design, Development, Implementation, and Evaluation stages. The participants were second-grade students of SDN 55/I Sridadi. Data were collected through validation sheets completed by material, media, and language experts, as well as questionnaires administered to teachers and students. The results showed that the developed worksheet achieved a validity score of 94% from the material expert, 84% from the media expert, and 82% from the language expert, all categorized as highly valid. The practicality test revealed positive responses from students and teachers, with student responses reaching 87.33% and teacher responses reaching 87.3%, both categorized as highly practical. The findings indicate that the CPA-based worksheet is valid and practical for supporting mathematics learning on fractions in Grade II elementary school.
SMART PISA: Assistance in Solving PISA-Type Mathematics Problems for Secondary School Students Gustiningsi, Tria; Nusantara, Duano Sapta; Pasaribu, Feri Tiona; Ramalisa, Yelli; Junita, Ranisa; Sainuddin, Syamsir; Isnania
Jurnal Karya Abdi Masyarakat Vol. 10 No. 2 (2026): Jurnal Karya Abdi Masyarakat
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/df3c6167

Abstract

Indonesia's low PISA score internationally reflects the weak mathematical abilities of Indonesian students. The mentoring training program is expected to introduce PISA-type questions and their solving tricks to students at Al Arif High School. The implementation method of this program is preceded by preparation and situation analysis, followed by planning for training 1 and training 2, the mentoring team carries out monitoring to see the progress of the results of both trainings, then evaluation of student activities and abilities, and reporting. As a result of this activity, students gain knowledge and know how to solve problems well. This program runs well and is accompanied by positive responses from students and teachers. The results of this activity, students gave a good assessment with a questionnaire score of 3.61 and a test result of 77.07. Based on observations, at the final meeting, almost 72 percent of students were able to verbally explain the mentoring questions. Students took turns to explain in front of the class. Students did not get the maximum score because they were not used to reading hidden information and students were not used to building different strategies. In addition, students also did not pay attention to the instructions for each question number.
Co-Authors Amalia, Vita Duano Sapta Nusantara Feri Tiona Pasaribu Junita, Ranisa Sainuddin, Syamsir Sastrawati, Eka Tria Gustiningsi Yelli Ramalisa