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PENGARUH MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) TERHADAP KEMAMPUAN KOMUNIKASI MATEMATIS SISWA KELAS 4 DALAM MATERI PECAHAN PADA MATA PELAJARAN MATEMATIKA DI SDN MERUYA SELATAN 03 PAGI Nisa, Arba'atun; Pranata, Khavisa
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 10 No. 03 (2025): Volume 10 No. 03 September 2025 Terbit
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v10i03.30810

Abstract

This research aims to investigate the effect of Problem Based Learning (PBL) on the mathematical communication skills of fourth-grade students in the topic of fractions at SDN Meruya Selatan 03 Pagi. The background of the study highlights students' common difficulties in expressing and understanding mathematical concepts, particularly in fractions, due to conventional teaching methods. To address this issue, the study implemented the PBL model, which emphasizes student-centered learning through real-world problem solving, collaboration, and active discussion. The research used a quasi-experimental design with two groups: an experimental group taught using PBL and a control group taught conventionally. Data were collected through pretest and posttest assessments using essay-type written tests that measured mathematical communication skills. The sample consisted of 64 students, divided equally between the two groups. Data analysis included N-Gain calculation, normality and homogeneity tests, and hypothesis testing using the t-test. The results revealed that students in the experimental group achieved a higher N-Gain score (0.55 moderate to high category) compared to the control group (0.23 low category). These findings suggest that the PBL model significantly enhances students' ability to communicate mathematical ideas orally and in writing, understand visual representations, and relate mathematical concepts to real-life situations. Therefore, PBL is recommended as an effective instructional model to improve mathematical communication skills in primary education, especially in the context of teaching fractions.
Pengaruh Metode Modelling The Way Terhadap Hasil Belajar IPAS Siswa Kelas III SDN Jatiluhur IV Kota Bekasi Rahmi, Siti; Pranata, Khavisa
Publikasi Pendidikan Vol 15, No 3 (2025)
Publisher : Universitas Negeri Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26858/publikan.v15i3.75049

Abstract

Fokus penelitian ini adalah untuk melihat bagaimana penerapan metode Modelling The Way berdampak pada peningkatan hasil belajar IPAS pada siswa kelas III SDN Jatiluhur IV Kota Bekasi. Metode yang digunakan adalah kuantitatif dan menggunakan desain satu kelompok pretest-posttest. Alat pengumpulan data terdiri dari 30 soal berupa pilihan ganda yang sudah diuji validitas serta reliabilitas. 28 soal dinyatakan valid dan memiliki nilai Alpha Cronbach sebesar 0,859, yang menunjukkan bahwa tingkat reliabilitasnya sangat tinggi. Data menunjukkan distribusi normal, menurut analisis data. Hipotesis nol (H0) ditolak, menurut hasil Uji Sampel Paired t. Selain itu, dengan nilai N-Gain 0,7052 dan tingkat efektivitas rata-rata 70,51%, itu cukup efektif. Hasil menunjukkan bahwa metode Modelling The Way memiliki efek yang signifikan dan efektif dalam meningkatkan hasil belajar IPAS siswa.