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All Journal NUMERICAL (Jurnal Matematika dan Pendidikan Matematika)
Isnaini Nur Azizah
Universitas Ma'arif Lampung
Mathematics

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Efektivitas Pendekatan Pendidikan Matematika Realistik Indonesia (PMRI) untuk Meningkatkan Minat dan Hasil Belajar Matematika Siswa Rizki Asrarul Mufidah; Agus Setiawan; Isnaini Nur Azizah; Choirudin Choirudin
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 1 (2026)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v10i1.7529

Abstract

Low levels of students’ interest and achievement in mathematics are often associated with instructional methods that are abstract and insufficiently connected to real-life contexts. This study aimed to examine the effectiveness of the Indonesian Realistic Mathematics Education approach in enhancing students’ engagement and achievement in solving systems of linear equations in two variables. A quasi-experimental design with a nonequivalent control group was employed involving eighth-grade students at a private junior high school in Central Lampung Regency. The sample consisted of two classes selected using cluster random sampling, with one class assigned as the experimental group and the other as the control group. Data were collected through a validated learning-interest questionnaire and a reliable mathematics achievement test, and were analyzed using Multivariate Analysis of Variance (MANOVA). The findings revealed that students who learned through the Indonesian Realistic Mathematics Education approach demonstrated higher levels of learning interest and mathematics achievement than those in the control group. These results indicate that the Indonesian Realistic Mathematics Education approach is effective in promoting active learning and strengthening students’ ability to model and solve contextual mathematical problems.
Pengaruh Model Project Based Learning dengan Pendekatan Realistic Mathematics Education terhadap Kemampuan Numerasi Siswa Lutfatul Hasanah; Isnaini Nur Azizah; Choirudin Choirudin
Numerical: Jurnal Matematika dan Pendidikan Matematika Vol. 10 No. 1 (2026)
Publisher : Universitas Ma'arif Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/numerical.v10i1.7546

Abstract

This study aims to analyze the effect of the Project based learning (PjBL) model integrated with the Realistic Mathematics Education (RME) approach on students’ numeracy skills in social arithmetic material. The study uses a quantitative approach with a quasi-experimental design of the NonEquivalent Control Group Design type. The research population is from one private senior high school in Metro City. The sample consists of 44 eleventh-grade students divided into an experimental class and a control class, each consisting of 22 students. The research instrument is a multiple-choice numeracy test that has met the criteria of validity and reliability. Data analysis is conducted through the Shapiro–Wilk normality test, Levene’s homogeneity test, and the Independent Sample t-test at a significance level of 0.05. The results of the study show a significant difference between the experimental and control classes (t(42) = −3.737; p = 0.001). The N-Gain score of the experimental class is 0.557 (moderate category), which is higher than the control class at 0.278 (low category). It is concluded that the integration of PjBL and RME is effective in improving students’ numeracy skills and can be used as an alternative contextual and meaningful mathematics learning approach.
Co-Authors Agus Setiawan Choirudin, Choirudin Lutfatul Hasanah Rizki Asrarul Mufidah