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Is a triangle 180 degrees? Using relevant material to explore elementary school students’ reasoning ability Jihe Chen; Ying Zhou; Tommy Tanu Wijaya; Maximus Tamur
International Journal of Education and Learning Vol 3, No 3: December 2021
Publisher : Association for Scientific Computing Electrical and Engineering(ASCEE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1067.047 KB) | DOI: 10.31763/ijele.v3i3.295

Abstract

Students’ proof construction is one of the important abilities in learning mathematical knowledge. To understand the development of Students’ proof construction of the fourth-grade students in Guilin, 15 fourth-grade students were selected to conduct an exploration activity about the sum of the inner angles of a triangle is equal to 180°. Through the observation and interview with students in the activities, we conclude that the reasonable ability of excellent students has coherence and integrity, the middle level students’ proof construction is ordinary and still need to improve, and the Low Students’ proof construction students are weak, and it is difficult to understand the research object. The teacher must have a creative and interesting method to teach students to improve Students’ proof construction from the research process and results.
Learning the Concept of Absolute Value with Hawgent Dynamic Mathematics Software Jerito Pereira; Yongxing Huang; Jihe Chen; Neni Hermita; Maximus Tamur
Tarbawi : Jurnal Ilmu Pendidikan Vol. 16 No. 2 (2020): Tarbawi : Jurnal Ilmu Pendidikan
Publisher : Fakultas Tarbiyah dan Ilmu Keguruan Institut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/tarbawi.v16i2.688

Abstract

Understanding the concept is one aspect that is needed and must be owned by students in learning mathematics. This research aims to make learning media assisted by hawgent dynamic mathematics software on understanding the absolute value in grade 10 Senior high school to help teachers explain the concepts and assist students in finding and understanding the basic concepts of absolute value topic. The development model used in this research is ADDIE development model. ADDIE is an abridgment of Analyze, Design, Develop and Evaluation. Researchers the learning media Hawgent can help students to understand and find the concept of absolute value. Based on several aspects, clearly and attractively with an average of 78.9% in the excellent category. It is concluded that the development of learning media Hawgent dynamic mathematics software can be used on the subject of understanding the concept of absolute value and with the help of this software it can help teachers explain the concept of absolute value and the students are also very interested in this ICT-based learning media. This conclusion is related to the validation results of media experts and material experts, where the validation results from media experts on the use of learning media are in good categories.
Using “Digital Black Hole” to Help Student in Learning Arithmetic and Enhance Students' Interest in Learning Jihe Chen; Ying Zhou; Qiulian Zhao
Journal on Education Vol 3 No 01 (2020): Journal on Education: Volume 3 Nomor 1 2020
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v3i01.341

Abstract

For most students, mathematics is difficult, boring, and not fun. However, mathematics is of great help in terms of academic performance and the development of students' calculation ability and abstract logical thinking. So how to make students like mathematics? How to improve students' mathematical ability? In response to these two doubts, this article designed the following teaching links based on HPM. The research method in this research is descriptive qualitative by describing the lesson plan on arithmetic material. The sample and population were grade 3, Elementary school, in Guilin, China. The results showed that in the real class, it was found that students were very interested in the "Digital Black Hole" game, their mathematical calculation ability and the ability to find problems All have improved a lot. This shows that under the guidance of HPM, eliciting mathematics teaching through mathematics culture can help increase students’ interest in mathematics, and students are also more aware that there are many magical relationships between numbers and numbers, which are worthy of us. Go explore and discover.
Reviewing Lessons With Mind Mapping By The Help of 6 Questions Cognitive Model To Help Students Learn Better Xinxin Li; Ying Zhou; Jihe Chen; Zhengang Li
Journal of Education and Learning Mathematics Research (JELMaR) Vol 2 No 1 (2021): Mei 2021
Publisher : Department of Mathematics Education, Faculty of Teacher Training and Education, Wisnuwardhana University of Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37303/jelmar.v2i1.46

Abstract

Review lessons after class can help students increase student achievement but not necessarily students know how to review effective and efficient learning. This learning goal is to explain how to review effective and efficient lessons using Mind Mapping and 6 Cognitive Model Questions. The subject on this study is a junior high school student. The topic of Linear Mathematics Equations in Two variables is described using a qualitative tendency. Study shows that Mind Mapping and 6 Cognitive Model Questions can improve critical thinking skills, high order thinking abilities and systematic thinking skills. Mind Mapping and 6 Cognitive Models Helping Students to review Linear Equations in Two Variables and get Deep Learning.
Male and female students' mathematical reasoning skills in solving trigonometry problems Suparman Suparman; Al Jupri; Edwin Musdi; Nonong Amalita; Maximus Tamur; Jihe Chen
Beta: Jurnal Tadris Matematika Vol. 14 No. 1 (2021): Beta May
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/betajtm.v14i1.441

Abstract

[English]: Several studies have examined mathematical reasoning skills (MRS) of male and female students in various mathematics topics. However, there were still not many studies, which focus on MRS in trigonometry topics in terms of gender perspectives. Therefore, this quantitative study aims to describe and compare the MRS of male and female students in solving trigonometry problems. This study involved secondary school students who were given an MRS test. The test has been validated theoretically and empirically. The results of the test were classified using the rubric of MRS achievement and analyzed using the Mann-Whitney test or t-test. The results revealed that the overall MRS of male and female students was low. The students lacked skills in finding a relationship pattern, proposing a conjecture, and generalizing the statement, but they had moderate skills in verifying the truth of an argument. Furthermore, the male and female students were not significantly different in the aspects of MRS. The findings provide important starting points to enhance students' MRS in the teaching and learning of trigonometry. [Bahasa]: Beberapa studi sudah dilakukan untuk menguji kemampuan penalaran matematis siswa laki-laki dan perempuan di berbagai topik matematika. Namun, studi-studi yang fokus pada kemampuan penalaran matematis di topik trigonometri ditinjau dari perspektif gender masih belum banyak. Penelitian kuantitatif ini bertujuan untuk mendeskripsikan dan membandingkan kemampuan penalaran matematis siswa laki-laki dan perempuan dalam menyelesaikan masalah-masalah trigonometri. Studi ini melibatkan siswa sekolah menengah yang diberi tes kemampuan penalaran matematis. Tes tersebut sudah divalidasi secara teoritis dan empiris. Hasil tes tersebut dikategorikan menggunakan rubrik capaian penalaran matematis dan dianalisis menggunakan uji Mann-Whitney atau uji t. Hasil menunjukkan bahwa secara keseluruhan kemampuan penalaran matematis siswa laki-laki dan perempuan belum tinggi. Siswa tersebut kurang mampu dalam menemukan pola hubungan, mengajukan dugaan, dan mengeneralisasi pernyataan, tetapi mereka memiliki kemampuan yang sedang dalam memverifikasi kebenaran suatu argumen. Selanjutnya, siswa laki-laki dan siswa perempuan tidak berbeda secara signifikan dalam aspek kemampuan penalaran matematis. Temuan ini memberikan titik awal yang penting untuk meningkatkan kemampuan penalaran matematis siswa dalam pembelajaran trigonometri.