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All Journal International Journal of Trends in Mathematics Education Research (IJTMER)
Haninda Bharata
Department of Mathematics Education, Lampung University, Lampung
Education Mathematics Other

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Developing Discovery Learning Assisted Peer Tutors To Improve Problem Solving Zulaiha Zulaiha; Haninda Bharata; Syarifuddin Dahlan
International Journal of Trends in Mathematics Education Research Vol 3, No 2 (2020)
Publisher : SAINTIS Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33122/ijtmer.v3i2.145

Abstract

This research is a research development that aims to find out the development of peer learning assisted by peer tutors that can improve students' mathematical problem solving abilities that are valid, practical and effective. This research procedure uses the development of research by Borg Gall. This development stage starts from the preliminary study, the preparation of learning development, validation, initial field trials, and field trials. The subjects of the study were Grade VII students of Al-Huda Jatiagung South Lampung Middle School in the odd semester of the 2019/2020 academic year. Data collection through observation, interviews, questionnaires, and tests of mathematical problem solving abilities. The results showed that the syntax or stages of discovery learning assisted by peer tutors on the set material met valid and practical criteria. Furthermore, the average N-Gain score of students' mathematical problem-solving abilities after using peer tutored assisted discovery learning is more than the average N-Gain score of mathematical problem-solving abilities of students who take conventional learning. It was concluded that the ability to solve mathematical problem solving with peer tutor-assisted discovery learning was more effective than conventional mathematical problem solving skills with conventional learning.
Development LKPD Based on Open-Ended in Improving Critical Thinking Skills Miftahul Arifin; Haninda Bharata; Undang Rosidin
International Journal of Trends in Mathematics Education Research Vol 3, No 2 (2020)
Publisher : SAINTIS Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33122/ijtmer.v3i2.146

Abstract

This research and development aims to develop LKPD based on open-ended and test its effectiveness on critical thinking skills in mathematics. This development phase begins with research and information gathering, planning, initial product form development, initial field testing, major product revisions, and main field testing. The subjects of this study were the eighth grade students of Al-Huda Jati Agung Junior High School in the academic year 2019/2020. The effectiveness test was conducted to determine the effectiveness of LKPD on the ability to think critically mathematically. The LKPD based on the open-ended developed was suitable for use in the excellent category based on the results of the validation of two expert validators. Preliminary field trial results indicate that LKPD is included in the good category. Field test results show that the average increase in students 'critical thinking skills in mathematics using LKPD on an open-ended basis is higher than the increase in average students' critical thinking skills in mathematics that do not use LKPD based on open-ended, so it can be concluded that LKPD based on open-ended effective for improving students' critical thinking math skills.
Co-Authors Miftahul Arifin Syarifuddin Dahlan Undang Rosidin Zulaiha Zulaiha