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All Journal AFORE: Jurnal Pendidikan Matematika
Kiky Ardhianti
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Mathematics

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PENGEMBANGAN MEDIA PEMBELAJARAN INTERAKTIF “SUSI: SUSUN SISI” PADA PEMBELAJARAN BANGUN DATAR Kiky Ardhianti; Axcelleosa Gloria Setiawan; Ina Febrianti; Ika Santia
Afore : Jurnal Pendidikan Matematika Vol 4 No 2 (2025): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v4i2.2912

Abstract

This study was motivated by the low level of understanding among elementary school students, particularly those in fifth grade, regarding the topic of plane figures in mathematics. This condition highlights the need for innovative learning media that can enhance students’ active participation in the learning process. The primary objective of this research is to develop an interactive learning medium called SUSI (Susun Sisi), specifically designed to facilitate students’ comprehension of plane figure concepts in an engaging and accessible manner. The research adopts a Research and Development (R&D) approach using the ADDIE model, which includes five systematic phases: analysis, design, development, implementation, and evaluation. The study involved one instructional media expert and 30 fifth-grade students as research subjects. The instruments employed consisted of expert validation sheets and student response questionnaires. Data were collected through expert validation and limited trials with students, then analyzed quantitatively. The results indicate that the SUSI learning media was rated valid by experts with a score of 84%, and was perceived as highly practical by students, achieving a practicality rate of 93.14%. Therefore, the SUSI media is deemed suitable for use in mathematics instruction and is recommended for classroom implementation by educators.
EFEKTIVITAS MODEL REALISTIC MATHEMATICS EDUCATION (RME) DENGAN STRATEGI SCAFFOLDING DALAM MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS Kiky Ardhianti; Bambang Agus Sulistyono; Samijo
Afore : Jurnal Pendidikan Matematika Vol 5 No 1 (2026): Afore : Jurnal Pendidikan Matematika
Publisher : Universitas Nias Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57094/afore.v5i1.4407

Abstract

This study aims to determine the effect of the scaffolding-based Realistic Mathematics Education (RME) learning model on students' mathematical problem-solving abilities. This study used a quantitative approach with a quasi-experimental method through a pretest - posttest control group design. The research sample was determined using purposive sampling, namely class XI DKV 2 as the experimental class with the scaffolding-based RME learning model and class XI DKV 1 as the control class with the conventional learning model. Research data were collected through a mathematical problem-solving ability test in the form of essay questions. Data analysis techniques included descriptive statistics, independent sample t-test, and N-gain analysis. Based on the descriptive statistics results, the average post-test score for the experimental class was 76.03 and the control class had an average of 65.53. The results of the independent sample t-test showed a significant value of 0.000, indicating that sig. (2-tailed) < α=0.05. Thus, the null hypothesis (H₀) was rejected, and the alternative hypothesis (H₁) was accepted, meaning that the scaffolding-based RME learning model was effective in improving students' mathematical problem-solving skills.
Co-Authors Axcelleosa Gloria Setiawan Bambang Agus Sulistyono Ika Santia Ina Febrianti Samijo