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All Journal Union: Jurnal Ilmiah Pendidikan Matematika Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika
Aan Santika
Universitas Bina Bangsa
Decision Sciences, Operations Research & Management Education Mathematics

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PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING TERHADAP KEMAMPUAN PEMECAHAN MASALAH MATEMATIS SISWA SMA KELAS XI Aan Santika; Dewi Surani; Uswatun Khasanah; Ari Fidriyanto
Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistika Vol. 5 No. 1 (2024): Jurnal Lebesgue : Jurnal Ilmiah Pendidikan Matematika, Matematika dan Statistik
Publisher : LPPM Universitas Bina Bangsa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46306/lb.v5i1.572

Abstract

This study discusses the low ability to solve mathematical problems in mathematics lessons. The results of the process using the PBL (Problem Based Learning) learning model are the focus of research. This study aims to find out whether the PBL model can have an impact on the mathematical problem solving ability of high school students of class XI Algebraic Function Limit material. Using a quasi-experimental method, this study used a non equivqlen control group design as its research. There were 92 students in the study sample. Pretest and posttest written assessments are used to collect data. This investigation revealed that the results on the findings of the Wilcoxon and Mann-Whitney test results displayed a sig value of 0.001<α 0.05 on the use of SPSS. If, Ha is accepted and Ho is rejected. Thus, the results of the Wilcoxcon test and the Mann Whitney test can be concluded that the PBL teaching approach has an impact on some grade XI high school students in mathematical problem solving ability
Development augmented reality in problem-based learning: Strengthening students' mathematical communication ability Fina Alfiyanti; Anton Nasrullah; Ratu Khoirotun Nisa; Aan Santika; Mira Marlina; Nur Hidayanti; Silvia Ratnasari
UNION : Jurnal Ilmiah Pendidikan Matematika Vol 13 No 2 (2025)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v13i2.19106

Abstract

Mathematical communication ability is essential, especially in learning geometry to understand trigonometric comparisons. However, many students still face difficulties in communicating mathematical problem-solving processes. Augmented Reality (AR) visualizes 2D and 3D objects, helping solve problems and improving communication. This study aims to develop and evaluate the quality of teaching materials and worksheets (LKPD) assisted by AR on geometric comparison topics to enhance students' mathematical communication ability. The research uses the Plomp development model, which includes initial investigation, design, realization/construction, testing, evaluation, revision, and implementation phases. Validation involves five experts, consisting of two lecturers and three subject teachers, while the practicality test includes 33 high school students in Banten, Indonesia. The study results show that the teaching materials and LKPD achieve an average validity of 88.25% (very valid), practicality of 88.2% (very practical), and effectiveness based on student activity observation sheets of 85.6%. The students’ test results reach 86.6% (very effective). The mathematical communication test also indicates that 10 students are in the moderate category, and 23 students have high communication ability, with an N-Gain of 64.2% (quite effective). Based on these results, the teaching materials and AR-assisted LKPD are valid, practical, and effective, making them suitable for mathematics learning.
Co-Authors Anton Nasrullah, Anton Ari Fidriyanto Fina Alfiyanti Mira Marlina Nur Hidayanti Ratu Khoirotun Nisa Silvia Ratnasari Surani, Dewi Uswatun Khasanah