The purpose of this study was to determine the effect of the TANDUR learning model assisted by GeoGebra on mathematics learning outcomes in terms of student learning independence which is a quasi-experimental research. The number of respondents in this study were 71 students. Collecting data on learning independence is collected through a questionnaire, and data on mathematics learning outcomes are collected through tests of mathematics learning outcomes in the cognitive domain. Data analysis was performed using two-way analysis of variance (ANAVA) with the help of SPSS, at a significance level of 5%. The results show that the learning outcomes of students who use the TANDUR learning model assisted by GeoGebra are better than the learning outcomes of students who use conventional learning models, student learning outcomes using the TANDUR learning model assisted by GeoGebra are better than using conventional learning models in students who have learning independence high, and the learning outcomes of students who use conventional learning models are better than students who use the GeoGebra-assisted TANDUR learning model for students who have low learning independence.

Adapun Tujuan dalam program pengabdian masyarakat ini adalah: untuk meningkatkan kemampuan guru dalam penggunaan aplikasi online open source geogebra untuk pembuatan media pembelajaran bidang matematika dan science, untuk meningkatkan kemampuan guru dalam penggunaan aplikasi online perekaman layar computer utuk pembuatan media pembelajaran pada pelajaran ilmu social. Metode yang digunakan adalah persiapan, pelaksanaan dan evaluasi. Simpulan yang dapat diambil yang pertama adalah adanya peningkatan kemampuan guru dalam penggunaan aplikasi online open source geogebra untuk pembuatan media pembelajaran bidang matematika dan science terlihat dari hasil mengenai pengetahuan, penggunaan dan pembuatan geogebra menjadi 100%. Kedua, meningkatkan kemampuan guru dalam penggunaan aplikasi online perekaman layar computer utuk pembuatan media pembelajaran pada pelajaran ilmu social menjadi 100%.

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Learning media is one of the most important learning tools in helping a teacher in delivering material, especially abstract material such as mathematics.Making learning media needs to follow technological advances, to obtain innovative learning media. One of the IT-based mathematics learning media is GeoGebra. Therefore, as a form of lecturer concern in helping teachers develop their abilities and skills in utilizing IT-based media, community service activities are carried out in the form of GeoGebra training as an innovative learning media. Training activities carried out at SMP N 4 Sukawati was in the form of introduction and training as well as GeoGebra assistance. Based on the training activities that have been carried out, it can be seen that the teacher shows an enthusiastic attitude and is willing to learn using GeoGebra software. Teachers quickly receive training materials and can operate or design the media, so the training provides positive feedback. Therefore, this training activity is expected to become an ongoing activity to improve the ability of teachers, especially in designing an IT-based learning media. As well as spreading the willingness of teachers to train skills in developing IT-based media to other schools.