The aim of this study was to identify and analyze the effectiveness of utilizing Geogebra in improving students’ mathematical communication skill viewed from academic level. This study is a mixed method research which combines both quantitative and qualitative methods with sequential explanatory strategy. The population was the second semester students of Mathematics Education and used purposive sampling technique. The result of this study showed that there was effectiveness of using Geogebra in improving students’ mathematical communication skill viewed from their academic level. The students felt that their skill improved and developed through Geogebra-assisted Directed Instruction learning.

Bagi seorang guru, menciptakan pendidikan karakter pada pembelajaran matematika adalah hal yang esensial. Sehingga, perludiadakan kegiatan kegiatan akademik seperti bimbingan teknis bagi guru-guru SMP/MTS dalam mendesain Lembar Kerja Peserta Didik (LKPD) yang Terintegrasi Nilai-nilai Karakter Positif pada Pembelajaran. Kegiatan ilmiah ini dikemas dalam pengabdian kepada masyarakat yang dilakukan dari aplikasi Zoom dan melalui YouTube Pendidikan Matematika FKIP UIR pada hari Kamis, 3 Desember 2020. Metode dalam pengabdian ini yaitu penyampaian materi tentang cara mendesain LKPD, tanya jawab dan diskusi. Dalam hal ini pemateri membahas hal utama yang harus diperhatikan sebelum membuat LKPD yaitu tujuan dari pendidikan itu sendiri yang memuat muatan karakter didalam mendesain LKPD tersebut. Dengan kegiatan pengabdian ini maka guru-guru dapat mendesain dan membuat LKPD yang dikaitkan dengan pendidikan karakter positif yang diharapkan dapat tertanam dalam diri siswa.

The purposive of this research was to describe and analyse correlation of student’s response in applying Problem based learning and cognitive conflict strategy (PBLCCS) to improve critical thinking (CT) and curiosity attitude (CA). This research design was quantitative and qualitative research. The population was consisted of undergraduate students of mathematics education study program and samples were chosen purposive sampling. The instruments used in this research were observation, quationaire and interview sheets. The findings showed that : (1) response of students in increasing critical thinking (CT) and curiosity attitude (CA) in teaching and learning process through problem based learning model and cognitive conflict strategy based on academic level was positive and very good category and they helped student to solve problems given and there were correlation among them based on academic level. (2) There were correlation between of students’ response in applying Problem based learning and cognitive conflict strategy (PBLCCS) to improve critical thinking (CT) and curiosity attitude (CA) based on academic level. They were known through observations, questionaire and interviews results.

The aim of this research is to examine the achievement and improvement of students' Mathematical Communication Ability (MCA) and Curiosity Attitude (CA) through Problem-Based Learning Model and Cognitive Conflict Strategy (PBLCCS) and Explicit Direct Instruction (EDI). Adopting a quasi-experimental mixed method with pretest-posttest control group design and sequential explanatory strategy, the study population consists of undergraduate students of Mathematics Education Study Program at a private Islamic University in Riau of Sumatra Indonesia, academic year 2015/2016 in course subject of Number Theory. Quantitative data were collected from essay tests, questionnaires and interview sheets whereas observation sheets were used to generate qualitative data. The findings show that there

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