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All Journal Al-Khwarizmi: Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Math Educa Journal
Ibnul Anies
UIN Imam Bonjol Padang
Education Mathematics

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Lembar Kerja Peserta Didik Berbasis Project Based Learning yang Praktis dan Efektif Nia Manda Sari; Andi Susanto; Nita Putri Utami; Ibnul Anies
Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam Vol. 14 No. 1 (2026): Al-Khwarizmi : Jurnal Pendidikan Matematika dan Ilmu Pengetahuan Alam
Publisher : Prodi Pendidikan Matematika FTIK IAIN Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24256/jpmipa.v14i1.8117

Abstract

Abstract: Mathematical problem-solving competency among seventh-grade students at MTsN 9 Padang Pariaman was identified as substantially lacking, primarily due to the lack of adequate teaching media. The primary purpose of this investiation was to construct a Project Based Learning (PjBL)-oriented Student Worksheet (LKPD) adhering to the standards of validity, practicality, and effectiveness. Data were gathered through interviews, observation, validation sheets, practicality questionnaires, and written assessments. Results demonstrated that the developed LKPD achieved a high validity level with a mean score of 87.31%. In terms of practicality, educators assigned a mean score of 89%, while learners yielded 84.67%. Regarding effectiveness, the instrument attained an N-Gain coefficient of 0.66 with a percentage of 65.76%, corresponding to a moderate classification. These outcomes affirm that the PJBL-based LKPD successfully enhances students' mathematical problem-solving competencies while satisfying the established benchmarks of validity, practicality, and effectiveness.   Abstrak: Kemampuan pemecahan masalah matematis peserta didik kelas VII MTsN 9 Padang Pariaman teridentifikasi masih rendah, yang utamanya disebabkan oleh belum tersedia media pembelajaran yang memadai. Tujuan utama penelitian ini untuk merancang dan mengembangkan LKPD berbasis Project Based Learning (PjBL) yang memenuhi standar valid, praktis, dan efektif. Instrumen penelitian terdiri dari wawancara, observasi, formulir validitas, kuesioner praktikalisasi, dan soal tes tertulis. Hasil analisis mengungkapkan LKPD berbasis PjBL memiliki tingkat validitas yang sangat baik dengan rata-rata skor 87,31%. Dari segi praktikalitas, LKPD ini dinilai sangat praktis oleh pendidik dengan rata-rata skor 89%, dan oleh peserta didik dengan rata-rata skor 84,67%. Efektivitas LKPD ini tergolong cukup baik berdasarkan skor N-Gain sebesar 0,66 (kategori sedang) dan persentase N-Gain sebesar 65,76% (kategori cukup efektif). Dengan demikian, LKPD berbasis PjBL yang dikembangkan terbukti mampu meningkatkan kemampuan pemecahan masalah matematis peserta didik sekaligus memenuhi kriteria valid, praktis, dan efektif.
EFFECTIVENESS OF “BERHITUNG CEPAT” TRAINING ON THE FOUNDATIONAL MATHEMATICS COMPETENCE OF MADRASAH IBTIDAIYAH TEACHER’S Andi Susanto; Fitria Mardika; Ibnul Anies
Math Educa Journal Vol 10, No 1 (2026)
Publisher : UIN Imam Bonjol Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15548/mej.v10i1.13848

Abstract

This study investigates how effective rapid calculation training is in improving the basic math skills of Madrasah Ibtidaiyah (MI) teachers in West Sumatra. This research was conducted because teachers rarely use effective calculation strategies and there are no professional development programs specifically aimed at enhancing their basic math skills. A quantitative method was used with a single pretest-posttest group. The study involved 125 teachers from four Madrasah Ibtidaiyah located in West Sumatra, and 96 participants were selected using purposive sampling. Data were collected through rapid calculation tests administered before and after the training intervention. Paired-sample t-tests and the N-Gain index were used to analyze the collected data. The results showed a statistically significant improvement in participants' performance after the training, with a significance value of 0.000 (p < 0.05). In the posttest, the average score increased from 36.00 in the pretest to 67.27 in the posttest. In addition, the level of participant competence improvement is shown by an N-Gain value of 0.49. The results indicate that calculation training is effective in quickly improving the basic mathematics competence of MI teachers. These results also show that this type of training can serve as a feasible professional development program to enhance teachers' mathematics skills and improve the quality of mathematics learning in Madrasah Ibtidaiyah.
Co-Authors Fitria Mardika Nia Manda Sari Nita Putri Utami Susanto, Andi