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All Journal (JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Pi Radian Journal
Dilla, Siska Chindy
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Education Mathematics Other

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Analyzing Student’s Mathematical Critical Thinking Ability of Concept Newman’s Error Analysis Review from Habits of Mind Dilla, Siska Chindy; Hidayat, Wahyu; Rohaeti, Euis Eti
(JIML) JOURNAL OF INNOVATIVE MATHEMATICS LEARNING Vol. 7 No. 4 (2024): VOLUME 7 NUMBER 4, DECEMBER 2024
Publisher : IKIP Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22460/jiml.v7i4.16917

Abstract

This study aims to analyze and describe the mistakes made by students in completing mathematical critical thinking skills in terms of habits of mind (HOM) with three categories, namely limited, developing, and proficient. The review was also analyzed from the factors that led to the occurrence of errors based on error analysis according to Newman. This research uses qualitative research methods. The data collection techniques used are questionnaires, tests, and interviews. The instruments used are HOM questionnaires and mathematical critical thinking ability tests. The selection of the study subject was carried out purposively with the consideration that the subject had a HOM category. A total of 25 students who filled out the HOM scale and mathematical critical thinking ability test, 3 students were selected to be interviewed based on the HOM category classification. The data analysis techniques used in this study are data reduction, data presentation, and drawing conclusions. Based on the results of the study, students with limited HOM were only able to solve questions up to indicator 1 because they made mistakes in reading and process skills. Students with HOM develop, only able to solve problems up to indicator 2 due to Comprehension and transpormation errors. Students with proficient HOM, are able to solve questions up to indicator 3 because they make mistakes in the skill and encoding process.
Development of google site-based mathematics learning media with core model for grade VIII students Dilla, Siska Chindy; Hidayat, Wahyu
Pi Radian: Journal of Mathematics Education Vol. 1 No. 2 (2023): Pi Radian Journal
Publisher : CV. Pustaka Literasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63214/piradian.v1i2.pp73-82

Abstract

21st century learning strives for students to be able to actively construct concepts, develop their knowledge, and use ICT tools. Especially the transition from post-pandemic learning, students are required to be more independent in learning. So we need learning media that can help overcome these problems. The purpose of this research is to develop and produce a website-based learning media with the google site combined with the CORE model in mathematics learning for junior high school students in good quality statistical material by meeting the validity and feasibility criteria. The selected development model is the ADDIE model (Analyze, Design, Develop, Implement, Evaluate). The instruments used include validation questionnaires, practicality questionnaires, and learning outcomes tests.Technical analysis of the data was carried out qualitatively to measure the data descriptively and quantitatively to calculate the scores of the results of the feasibility test of the learning media that the researchers had developed. The results of the research on the development of learning media are based on the material aspect of 77,5%, the media aspect of 81%, the practicality of the learning media from the responses of students to get a percentage of 85,2% with a very decent category.After trying the learning media, students were asked to do posttest and learning questionnaires, 78,6% of students had good learning achievements.Thus, the learning media of mathematics learning media using the google site with the CORE model that the researcher developed is very suitable for use in learning.
Co-Authors Euis Eti Rohaeti Wahyu Hidayat