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Journal : Kontinu: Jurnal Penelitian Didaktik Matematika

Mobile Mathematics Development: Sample Space and Probability for Critical Thinking and Problem Solving Umam, Khoerul; Kusumawati, Erna; Setiadi, Hari; Bin Awang, Isha
JURNAL PENDIDIKAN MATEMATIKA Vol. 9, No. 1: May 2025
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/kontinu.9.1.124-137

Abstract

Students' critical thinking and mathematical problem-solving skills are important elements in learning mathematics; however, facts in the field still provide notes on the average learning outcomes in the material of sample spaces, and simple event probabilities are still low. This study aims to develop a mobile-based mathematics learning application to improve students' critical thinking and mathematical problem-solving skills. This study uses the ADDIE development design (analysis, design, development, implementation, evaluation) and quasi-experimental methods with a pre-test-post-test design in the experimental and control groups. The study subjects were 11th-grade public and private high school students, with a total of 145 students participating. The instruments include critical thinking and mathematical problem-solving tests based on established indicators. Quantitative analysis uses a paired t-test. The results showed a significant increase in the average score of students in the experimental group with critical thinking skills (experiment 88.77, control 72.65) and mathematical problem solving (experiment 86.55, control 76.54) after using the application. The development of mobile learning applications on the material of sample spaces and simple events can effectively improve the critical thinking and mathematical problem-solving skills of high school students. Keywords: Critical Thinking Skills, Problem Solving Skills, Mobile, Mathematics Learning
Understanding Mathematics Teachers' Perspectives on Deep Learning Oriented to Students' Computational Abilities Umam, Khoerul; Nuriadin, Ishaq; Azhar, Ervin; Setiadi, Hari
JURNAL PENDIDIKAN MATEMATIKA Vol. 9, No. 2: November 2025
Publisher : Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/kontinu.9.2.254-266

Abstract

Good and quality mathematics learning is influenced by mathematics teachers' beliefs about appropriate learning strategies and methods. This study aims to determine the extent to which mathematics teachers prepare, develop, and adapt deep learning in mathematics classrooms. Mathematics teachers were the subjects of this study because the foundation of the strength of mathematics learning in its implementation is highly dependent on their perceptions. Data collection was conducted face-to-face and online, combining in-depth interviews and closed-group discussions. The data were analyzed using thematic analysis, combining themes and categories formed during the analysis process. The results indicate the relevance of deep learning in the context of mathematics learning, the diverse readiness of mathematics teachers in implementing deep learning, and the need for training required by teachers to support the creation of higher-quality learning. The impact of this research will provide input to the government in implementing the program, the need for regular evaluation and structured and massive training so that implementation can be carried out more evenly throughout Indonesia