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All Journal JPPM (JURNAL PENELITIAN DAN PEMBELAJARAN MATEMATIKA) PRISMA Teorema: Teori dan Riset Matematika Prima: Jurnal Pendidikan Matematika MAJU : Jurnal Ilmiah Pendidikan Matematika SIGMA M A T H L I N E : Jurnal Matematika dan Pendidikan Matematika Imajiner: Jurnal Matematika dan Pendidikan Matematika Range : Jurnal Pendidikan Matematika Mosharafa: Jurnal Pendidikan Matematika Indonesian journal of teaching and learning International Journal of Trends in Mathematics Education Research (IJTMER) Journal of Community Service (JCOS)
Sukmawati, Rika
Department Of Mathematics Education, Universitas Muhammadiyah Tangerang, Banten,
Religion Humanities Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Mathematics Public Health Social Sciences Other

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The Effectiveness of Wayground Media in Improving Students' Mathematical Critical Thinking Skills Shafa Aulia Anwar; Desty Haswati; Rika Sukmawati
Mathline : Jurnal Matematika dan Pendidikan Matematika Vol. 11 No. 2 (2026): Mathline : Jurnal Matematika dan Pendidikan Matematika
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/mathline.v11i2.1146

Abstract

This study is designed to test the effectiveness of Wayground learning media in improving the mathematical critical thinking skills of grade X students of SMA Muhammadiyah 2 Tangerang on the material of the Three-Variable Linear Equation System. The method used was a one-group pretest-posttest design, and purposive sampling of 24 students was selected in class X6. The instrument is in the form of 4 valid description questions that measure the critical thinking aspect. Data were analyzed by Kolmogorov-Smirnov normality test, paired sample t-test, and N-Gain using SPSS 26. The findings showed that the average pretest score of 37.2 (SD = 6.7) increased to 51.9 (SD = 5.1). The Kolmogorov–Smirnov normality test yielded a value of Sig. = 0.1 (> 0.05), so that the data was declared to be normally distributed; The paired sample t-test showed t = –11.5 (Sig. = 0.0 < 0.05) which means there was a significant improvement. The homogeneity test was not applied because the analysis involved only one group (pretest–posttest) without a comparison between groups that required a variance homogeneity test. An average N-Gain of 0.5 (medium category) indicates that Wayground is quite effective, but has not yet reached the high effectiveness category; This means that a significant increase in scores occurs, but the impact is still at a moderate level and needs additional media support or strategies to further increase effectiveness.
Enhancing Students' Mathematical Interpretation Ability through Project-Based Learning in Statistics: Evidence from a Quasi-Experimental Study Syauqi Fari Hapittullah; Ratu Sarah Fauziah Iskandar; Rika Sukmawati; Muhammad Hafeez
Indonesian Journal of Teaching and Learning (INTEL) Vol. 5 No. 3 (2026)
Publisher : Edupedia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/intel.v5i3.2366

Abstract

Purpose – Mathematical interpretation ability is a key component of mathematical literacy, enabling students to interpret mathematical representations and solve contextual problems. However, many junior secondary students struggle to interpret statistical information presented in pie charts. This study examined the effectiveness of Project-Based Learning (PjBL) in improving students' mathematical interpretation ability in statistics. Methodology – A quasi-experimental study using a non-equivalent control group design was conducted with 42 Grade VII students from MTs Al-Layyinah, Indonesia. The participants were assigned to an experimental group (n = 21) and a control group (n = 21). Data were collected using a six-item essay test and analysed through descriptive statistics, the Shapiro–Wilk test, Levene's test, and an Independent Samples t-test. Findings – Students in the experimental group outperformed those in the control group (74.05 vs. 64.05). The difference was statistically significant (t = 3.044, p = 0.004), indicating that PjBL effectively improved students' mathematical interpretation ability. Novelty – This study provides empirical evidence that authentic project activities integrating data collection, pie-chart construction, and contextual interpretation effectively develop mathematical interpretation ability in statistics. Significance – The findings support the integration of PjBL into mathematics instruction to strengthen students' mathematical interpretation ability and statistical literacy.
Penguatan Literasi Numerasi melalui Pembelajaran Kontekstual Berorientasi TKA bagi Siswa SD Rika Sukmawati; Ratu Sarah Fauziah Iskandar
Journal of Community Service (JCOS) Vol. 4 No. 3 (2026)
Publisher : EDUPEDIA Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56855/jcos.v4i3.2439

Abstract

Kegiatan Pengabdian kepada Masyarakat (PKM) ini dilaksanakan untuk meningkatkan kemampuan literasi numerasi siswa dalam menghadapi tuntutan asesmen pendidikan, khususnya Tes Kemampuan Akademik (TKA). Rendahnya kemampuan siswa dalam memahami soal berbasis konteks dan penalaran menjadi dasar penerapan pendekatan pembelajaran kontekstual yang mengaitkan konsep numerasi dengan situasi nyata dalam kehidupan sehari-hari. Kegiatan ini bertujuan meningkatkan pemahaman konsep numerasi, kemampuan menyelesaikan soal berbasis penalaran, serta kesiapan siswa menghadapi soal bertipe TKA. Pelaksanaan kegiatan meliputi analisis kebutuhan, penyampaian materi numerasi kontekstual, demonstrasi penyelesaian soal, latihan terbimbing, praktik mandiri, pendampingan, dan evaluasi. Peserta kegiatan adalah siswa SDN Suka Asih 1. Hasil kegiatan menunjukkan peningkatan kemampuan siswa dalam memahami konsep dasar numerasi dan menerapkan strategi penyelesaian soal yang berorientasi pada pola TKA. Siswa juga menunjukkan peningkatan antusiasme, motivasi belajar, dan kepercayaan diri dalam menyelesaikan soal berbasis penalaran. Kegiatan ini menunjukkan bahwa pendekatan kontekstual dapat mendukung penguatan literasi numerasi siswa sekolah dasar sekaligus meningkatkan kesiapan mereka menghadapi asesmen akademik. Selain berdampak pada siswa, kegiatan ini juga memperkuat kemitraan antara perguruan tinggi dan sekolah dalam pengembangan pembelajaran matematika dan numerasi.
Co-Authors Ari Trias Setiadi Desty Haswati Dian Nopitasari M. Arie Firmansyah Muhammad Hafeez Munengsih Munengsih Nisvu Nanda Saputra Nurlaeli Khalidah Prahesti Tirta Safitri, Prahesti Tirta Purbaningrum, Kus Andini Ratu Sarah Fauziah Iskandar Shafa Aulia Anwar Syauqi Fari Hapittullah Viera Virliani Yenni .