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<p class="0abstract"><strong>Abstract—</strong>21st Century teaching and learning strategies related to the various methods used include the use of appropriate tools with the latest technological developments to help students to understand clearly about the content of the subject. Therefore, the need for the 21st Century teaching more focused on the development of students' higher-order thinking skills is increasingly urgent. This study aims to develop mathematics learning media based on e-learning using MOODLE (Modular Object-Oriented Dynamic Learning Environment) software on the geometry of the flat side subject to improve higher-order thinking skills among secondary school students. The analysis in this study is based on the ADDIE Instructional Model (Analysis, Design, Development, Implementation, Evaluation). The respondents in this study were three lecturers who are experts in the field of mathematics education, three teachers in the field of information technology and 70 secondary school students in Yogyakarta, Indonesia was selected using the purposive sampling method. The findings of this study have shown that mathematics learning media based on e-learning using MOODLE very suitable for encouraging students to use the mind to understand, interpret, analyze and manipulate information to find possible solutions for various problems, especially related to the geometry of the flat side subject. Besides, based on mathematics learning media based on e-learning using MOODLE able to encourage students to think, to generate new ideas, to focus and to be active throughout the teaching and learning activities. The results of this study are expected can be one of the teaching tools which can help in learning activities and a catalyst for the improvement of the quality of students' thinking.</p>

Abstract:Research indicates that low academic achievement amongst Aboriginal (Orang Asli) students is due to the current practices of teaching and learning in the classrooms. Additionally, the diversity of students for this community leads to different cognitive abilities and cultures, which contributing to major issues of teaching and learning effectiveness. As a part of special education community, there is a need for a review of teaching and learning strategies for Aboriginal students in the context of an entrepreneurship education. This paper addresses low academic achievement amongst Aboriginal students using mastery learning strategy (MLS) and investigates its effectiveness in the entrepreneurship education course. An experimental, pre-test and post-test, with control group design was implemented on 80 Aboriginal students from two department of Orang Asli Development Training Center in Malaysia. Students in the experimental groups were treated using MLS throughout 12 weeks. Students' knowledge acquisition (achievement) was tested using multiple choices question, and the results were compared to the traditional learning approach (TLA) group. The findings indicated that the MLS was more effective than TLA in enhancing students' knowledge acquisition. The implication is that the model used in this study is appropriate for teaching, promoting learning, and conducting research among Orang Asli students.

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The purpose of this study was to identify the visualization of the students, the students' cognitive load, and the teaching style of the teacher while teaching using the augmented reality (AR) teaching kit in the classroom. The population involved 90 Welding Technology students at Vocational College of Batu Pahat. The purposive sampling method was used and involved 30 respondents. The instrument used was a questionnaire to obtain information. Data were collected and analyzed descriptively. Based on the pilot study, the Cronbach Alpha value was 0.94. The results showed that the use of an AR teaching kit was able to enhance students’ visualization and reduced the cognitive load experienced by the students. In addition, teaching and learning are more interesting because of the teaching style of teachers who use theories and practices simultaneously. Furthermore, the use of AR in education can enhance the visualization of students abstractly, which helps them when conducting experiential tests and establishing a safe teaching and learning environment.