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All Journal Budapest International Research and Critics in Linguistics and Education Journal (Birle Journal)
Mulyono Mulyono
Universitas Negeri Medan, Indonesia
Humanities Education Languange, Linguistic, Communication & Media Social Sciences Other

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The Differences in Communication Ability and Mathematical Disposition of Students who are given a Geogebra- Assisted Contextual Learning Model and the Cooperatif Learning Model Khairani Syahfitri; Mulyono Mulyono; Pargaulan Siagian; Else Frine Tamba
Budapest International Research and Critics in Linguistics and Education (BirLE) Journal Vol 4, No 1 (2021): Budapest International Research and Critics in Linguistics and Education, Februa
Publisher : BIRCU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birle.v4i1.1609

Abstract

This study aims to: (1) analyze the differences in mathematical dispositions between students who are given a contextual learning model assisted by Geogebra and students who are given a model of cooperatif learning assisted by Geogebra at SMK Harapan Mekar 1 Medan, (2) analyze the interaction between learning and early mathematics ability (high, moderate, low) students towards improving students' mathematical communication skills at SMK Harapan Mekar 1 Medan, (3) analyzing the interaction between learning and the initial mathematics ability (high, medium, low) of students towards improving the mathematical disposition of students at SMK Harapan Mekar 1 Medan. The population of this study were all students of SMK Harapan Mekar 1 Medan in class X majoring in Automotive Mechanics and Computer Engineering. Samples were taken randomly from 6 classes, Students were selected as a sample of 2 classes, namely class X-2 as the experimental class I which was given the contextual learning model assisted by Geogebra and class X-3 as the experimental class 2 which was given the cooperative learning model assisted by Geogebra, with a total of 64 students. Data were analyzed using descriptive statistical analysis through two-way analysis. The results of this study indicate that: (1) There are differences in mathematical communication skills between students who are given a contextual learning model assisted by Geogebra and students who are given a cooperative learning model, (2) there are differences in mathematical disposition between students who are given a contextual learning model assisted by Geogebra and students who given a cooperative learning by Geogebra.
Developing Online Learning Oriented Learning Devices to Improve Mathematic Abstraction and Self-Efficacy Abilities Istiqlal Delitua Junior High School VII Class Student Elidar Tanjung; Izwita Dewi; Mulyono Mulyono
Budapest International Research and Critics in Linguistics and Education (BirLE) Journal Vol 4, No 1 (2021): Budapest International Research and Critics in Linguistics and Education, Februa
Publisher : BIRCU

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33258/birle.v4i1.1692

Abstract

This research is a development research conducted at SMP Istiqlal Delitua which aims to find out how; 1) the level of validity, effectiveness and practicality of learning tools developed in improving students' mathematical abstraction abilities and self-efficacy; 2) Increasing students' mathematical abstraction abilities and self-efficacy in implementing online learning-oriented learning tools. This study produces an online learning-oriented learning tool which is carried out in accordance with the Dick & Carey development model procedure. The results of this study are the learning tools developed; 1) valid, both content and construct validity, 2) practical, seen from the validator's assessment and teacher's observation in managing learning, 3) effective, seen from the completeness of learning, student responses and learning time; 4) improvement of students' mathematical abstraction ability; 5) increased student self-efficacy in the high category.
Co-Authors Elidar Tanjung Else Frine Tamba Izwita Dewi Khairani Syahfitri Pargaulan Siagian