ENHANCING STUDENTS’ UNDERSTANDING OF MATHEMATICAL CONCEPTS THROUGH THE CONCRETE-PICTORIAL-ABSTRACT (CPA) APPROACH IN LEARNING FRACTIONS

Erna Sari Agusta

ENHANCING STUDENTS’ UNDERSTANDING OF MATHEMATICAL CONCEPTS THROUGH THE CONCRETE-PICTORIAL-ABSTRACT (CPA) APPROACH IN LEARNING FRACTIONS

Erna Sari Agusta

Abstract

Abstract

Conceptual understanding can be demonstrated by students in restating concepts, classifying objects, presenting concepts, selecting and using procedures, and applying concepts in problem-solving. In reality, students of MTsN 28 Jakarta still find it difficult to solve everyday problems due to their low conceptual understanding ability. The purpose of this study was to describe the implementation of the CPA (Concrete-Pictorial-Abstract) approach in mathematics learning as well as knowing the improvement of students' mathematical concept understanding abilities in fraction material with the CPA approach in class VII-F MTs Negeri 28 Jakarta. This study uses a qualitative approach with the type of Classroom Action Research (CAR) carried out in two cycles. Each cycle consists of stages of planning, implementation, observation, and reflection. The research subjects observed in the study were 6 students from the upper, middle, and lower groups. Data analysis refers to the achievement of indicators of conceptual understanding abilities as seen from the results of the research subject's test answers through three stages, namely data reduction, data presentation, and make conclusions. The results of the study showed that the average test scores increased from cycle I to cycle II. Student learning completeness also increased from cycle I and cycle II tests. Thus, it can be said that the CPA approach can improve students' ability to understand mathematical concepts.

Abstrak

Pemahaman konseptual dapat ditunjukkan siswa dalam menyatakan kembali konsep, mengklasifikasikan objek, menyajikan konsep, memilih dan menggunakan prosedur, serta menerapkan konsep dalam pemecahan masalah. Kenyataannya, siswa masih kesulitan dalam menyelesaikan permasalahan sehari-hari karena rendahnya kemampuan pemahaman konsep. Tujuan penelitian ini adalah untuk mendeskripsikan penerapan pendekatan CPA (Concrete-Pictorial-Abstract) dalam pembelajaran matematika serta mengetahui peningkatan kemampuan pemahaman konsep matematika siswa pada materi pecahan dengan pendekatan CPA di kelas VII-F MTs Negeri 28 Jakarta. Jenis penelitian ini adalah Penelitian Tindakan Kelas (PTK) yang dilaksanakan dalam dua siklus. Setiap siklus terdiri dari tahapan perencanaan, pelaksanaan, observasi, dan refleksi. Subyek penelitian yang diobservasi dalam penelitian berjumlah 6 orang siswa yang berasal dari kelompok atas, menengah, dan bawah. Analisis data mengacu pada pencapaian indikator kemampuan pemahaman konsep yang dilihat dari hasil tes jawaban subjek penelitian melalui tiga tahapan yaitu reduksi data, penyajian data, dan membuat kesimpulan. Hasil penelitian menunjukkan nilai rata-rata tes meningkat dari siklus I ke siklus II. Ketuntasan belajar siswa juga mengalami peningkatan dari tes siklus I dan tes siklus II. Dengan demikian, dapat dikatakan bahwa pendekatan CPA dapat meningkatkan kemampuan pemahaman konsep matematika siswa.

Keywords

Concept Understanding Ability, CPA Approach, Fraction Material

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DOI: 10.15408/ajme.v7i1.47153