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Journal : UNEJ e-Proceeding

PENGEMBANGAN MEDIA PEMBELAJARAN BERBASIS ADOBE FLASH CS6 MATERI PERSAMAAN DAN PERTIDAKSAMAAN NILAI MUTLAK LINEAR SATU VARIABEL SMA Dara Asri Maulani; Yuni Katminingsih; Lina Rihatul Hima
UNEJ e-Proceeding 2022: E-Prosiding Seminar Nasional Matematika, Geometri, Statistika, dan Komputasi (SeNa-MaGeStiK)
Publisher : UPT Penerbitan Universitas Jember

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Abstract

Based on the background of the researchers on the results of field observations, the lack of active learning in the classroom resulted in students feeling they did not understand the learning material. This is because teachers still implement learning with lectures that do not use android-based learning media. For this reason, Android-based technology using Adobe Flash CS6 was developed so that students become active in learning, making it easier for students to understand learning material. This study aimed to produce learning media based on Adobe Flash CS6 for equations and inequalities for linear absolute values โ€‹โ€‹of one variable. This study uses the ADDIE development model, namely (1) Analysis, (2) Design, (3) Development, (4) Implementation, and (5) Evaluation. Validation is carried out by media experts, material experts, and practitioners. The developed media was tested on 20 students of class X MIPA 6 SMA Negeri 3 Kediri. Development of learning media based on Adobe Flash CS6 in the form of the "MARBLE MATH" application that experts have validated with a percentage of 72% from media experts in the "valid" category, no need for revision, then the rate of assessment from material experts is 90% with a "very valid" and unnecessary category revision. The last is the percentage of the evaluation from expert practitioners, 84% โ€‹โ€‹, with the criteria for the validity of the learning media category "very valid" and can be used without revision. Keywords: Adobe Flash CS6 Learning Media
Peningkatan Kemampuan Pemecahan Masalah Matematis Peserta Didik Melalui Pembelajaran Realistic Mathematics Education (RME) Sangga Alfian Mahesa Tantra; Suryo Widodo; Yuni Katminingsih
UNEJ e-Proceeding 2022: E-Prosiding Seminar Nasional Matematika, Geometri, Statistika, dan Komputasi (SeNa-MaGeStiK)
Publisher : UPT Penerbitan Universitas Jember

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Abstract

This study aims to 1) analyze the improvement of mathematical problem solving skills with realistic-based learning (Realistic Mathematics Education RME) as a whole, 2) analyze the improvement of mathematical problem-solving skills with realistic-based learning (Realistic Mathematics Education RME) based on education level. The sampling technique used was purposive sampling. The research method is a meta-analysis with a sample of 20 national journal articles. The data analysis technique used Cohen's d effect size. Sampling consisted of four levels, namely Elementary School (SD), Junior High School (SMP), Senior High School (SMA), and tertiary institutions. The results of the meta-analysis show that increasing mathematical problem solving skills through realistic-based learning (Realistic Mathematics Education RME) has an Effect Size at the Elementary School (SD) level = 0.90 (high effect), at the Junior High School (SMP) level = 0 .63 (medium effect), at the high school level (SMA) = 0.23 (low effect) and at the university level it is 0.38 (low effect). Between the education levels of Elementary School (SD), Junior High School (SMP), High School (SMA), and College the average value of Effect Size = 0.67 (medium effect). Keywords: Meta analysis, Realistic Mathematics Education (RME), Mathematical problem solving ability