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INDONESIA
Tesseract: International Journal of Geometry and Applied Mathematics
Published by Nindikayla Institute
ISSN : -     EISSN : 29868076     DOI : https://doi.org/10.57254/tess
Core Subject : Education, Social,
Mathematics Social Sciences
Tesseract Journal is an international, open-access journal that seeks to promote the integration of and provide an advanced forum for, Geometry, mathematics with applied disciplines. It is devoted exclusively to the publication of high-quality reviews, regular research papers, and short communications that apply mathematical concepts, theories, and methods to other subjects such as physics, engineering, medicine, chemistry, biology, information science, energy, environmental science, finance, business, computer science, industry, and social sciences. In addition, submissions with a good balance between mathematical analysis and development of the application(s) are expected e-ISSN: 2986-8076
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 40 Documents
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DEVELOPMENT OF NUMERACY LITERACY INSTRUMENTS TO IMPROVE HIGH-LEVEL THINKING SKILLS IN JUNIOR HIGH SCHOOL STUDENTS Hidayatullah, Arif; Nindiasari, Hepsi; Sukirwan, Sukirwan
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 1 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i1.26

Abstract

The background to this research is that there are very few numeracy literacy questions, students are still not trained enough to work on numeracy literacy questions, and teachers are not optimal in understanding the development of numeracy literacy questions even though in an effort to improve HOTS abilities students need to get used to dealing with numeracy literacy questions. This study aims to develop a math HOTS measuring instrument for first semester VII graders of junior high school (SMP) students. The research method is research and development with ADDIE stages namely analysis, design, development, implementation, and evaluation. The instruments used in the research were numeracy literacy test questions in the form of descriptions, observation sheets, response questionnaires, and interview sheets. The research flow begins with the initial analysis, the development of a grid of numeracy literacy questions, expert validation, revision, practitioner testing, small-scale trials, revisions, and large-scale trials. The results of the study were 18 items of numeracy literacy with Competency Standards for Numbers, Sets, Algebra, and Systems of Two-Variable Linear Equations. The numeracy literacy instrument indicators developed include analytical, evaluation, and creative abilities. The questions developed have valid quality as seen from the validity test of all the items above 0.5, reliability 0.86, difficult and moderate difficulty levels, and good and sufficient discriminating power. The mean HOTS score of students was 71. The conclusion of this study was to produce a valid and reliable HOTS measuring numeracy literacy instrument for junior high school students.
INDEPENDENCE IN LEARNING MATHEMATICS IN GRADE II SDN 2 CIBEUTI: COMPARISON BETWEEN PJBL AND PBL STRATEGIES Gumilar, Gumgum; Sutama, Sutama; Markhamah, Markhamah
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 1 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i1.27

Abstract

The aim of this study is to describe a project-based learning strategy (PjBL) with Problem-based Learning (PBL) towards reviewed learning independence from student discipline. The research method used in this study is Quantitative with the model or approach of quasi-experimental design (pretest-posttest) as the design. The study was conducted from March to July 2023 in Class II SDN 2 Cibeuti, Tasikmalaya, West Java. Counting is the chosen learning material. Data collection techniques use tests and nontes. In this study, the test (pretest-posttest) is a double-choice test, while the non-test consists of documentation, interviews with teachers, and student discipline observation sheets. These are all used to evaluate learning processes and outcomes, including student activities. With a total of 25 students in the experimental and control classes. The data analysis techniques used are obtained from the test results of the independent value of learning mathematics as well as from the use of statistics. Data analysis techniques to test the hypothesis of independent learning mathematics results pre-testposttest using SPSS 25 for Windows Data from the research results showed that class II students at SDN 2 Cibeuti, Tasikmalaya, had significant learning independence when implementing PjBL and PBL strategies. In an effort to improve the independence of students in class II on math subjects in SDN 2 Cibeuti, statistical tests showed that the significance of posttest results in both classes is less than 0.05. Analysis of the results of independent mathematical learning showed significant improvements using PjBL strategies in the experimental class, with an average posttest score (96.00) higher than the mean posttest value for the PBL strategy in the control class (62.40). The results of this study show that the PjBL strategy is more effective than the PBL strategy. Therefore, it can be concluded that the project-based learning strategy (PjBL) is effective.
THE EFFECT OF THE NUMBERED HEAD TOGETHER (NHT) COOPERATIVE LEARNING MODEL ON THE MATHEMATICS LEARNING OUTCOMES OF GRADE IX STUDENTS OF SMP NEGERI 6 BENGKULU CITY Kusuma, Helti Puji; Susanta, Agus; Sumardi, Hari
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 1 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i1.28

Abstract

This study aims to see whether there is or not the effect of the cooperative numbered head together learning model on the mathematics learning outcomes 9th grade students of SMPN 6 Bengkulu City. The type of research was a quasi-experimental design with The Nonequivalent Pretest-Posttest Control group design. The population in this study were all students of class IX SMPN 6 Bengkulu City. The sample selection used simple random sampling technique, the sample in this study was class IX A which consisted of 25 students as the experimental class and class IX B which consisted of 25 students as the control class. Data collection was carried out using questions pretest and posttest. The results of the hypothesis test showed the sig (2- tailed) value is 0.000 < α = 0.005, with an average student posttest score experiment class of 75,88 and an average student posttest score control class of 58,84. It can be concluded that there is a significant influence of the cooperative Numbered Head Together learning model on the mathematics learning outcomes 9th grade students of SMPN 6 Bengkulu City.
THE EFFECTIVENESS OF THE TALKING STICK-ASSISTED PROBLEM-BASED LEARNING MODEL ON SELF-EFFICACY AND MATHEMATICAL CONTEXTUAL PROBLEM-SOLVING SKILLS Syafira, Aulia; Isnani, Isnani; Munadi, Munadi
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 1 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i1.29

Abstract

The aim of this study was to determine the effectiveness of the Talking Stick Assisted Problem Based Learning learning model in the subject matter of Data Presentation on Self Efficacy and Contextual Mathematical Problem Solving Ability for class VII students of SMPN 19 Tegal City. This research is a quantitative research. The population used in this study were all class VII students of SMP N 19 Tegal City for the 2022/2023 Academic Year. The sample used is using purposive sampling. Data collection techniques using tests and questionnaires. From the results of the study it was found that the Self Efficacy of students who were taught using the Talking Stick Assisted PBL model was better than those taught using the Conventional model and obtained an increase before and after treatment in the moderate category. For mathematical contextual problem solving abilities, the results of students' solving abilities taught using the Talking Stick Assisted PBL model were better than those taught using the Conventional model and the value of mathematical contextual problem solving abilities taught using the Talking Stick Assisted PBL model reached KKM.
THE USE OF POWTOON ANIMATION LEARNING MEDIA ON STUDENTS' LEARNING MOTIVATION IN MATHEMATICS LEARNING Hariananda, Dena Arimby; Kusmiyati, Kusmiyati
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 2 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i2.30

Abstract

Mathematics is often considered an abstract subject because it involves concepts and symbols that can be difficult to understand directly or physically. However, using animated media such as Powtoon can help overcome this abstraction and make mathematics learning easier to understand and interesting by creating Powtoon-based animated learning media. Powtoon is a popular animation platform used to create presentations, promotional videos and other animated videos. With Powtoon, you can create attractive animations using various graphic elements, characters, and transition effects. In the research that has been done before, many studies say that to overcome boredom so that students are motivated while learning, the use of learning media is considered to make students easier to understand the material and make teaching and learning activities carried out more efficiently in implementing the learning process, especially in learning mathematics is by make interesting learning media. This study aims to analyze the use of Powtoon learning media on students' learning motivation in learning mathematics. This research is a qualitative research with descriptive analysis using library research. The data collected is the result of searching electronic journals through the library's Google Scholar. From the research results of 15 relevant articles, it shows that the Powtoon animation learning media is useful for increasing students' learning motivation in learning mathematics
SYSTEMATIC LITERATURE REVIEW: CONTEXTUAL TEACHING AND LEARNING (CTL)-BASED MATHEMATICS LEARNING MODULE ON EXPONENTIAL MATERIAL IN CLASS X HIGH SCHOOL Jaya, Patlan Putra; Elly, As; Yanto, Yufitri
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 2 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i2.31

Abstract

This study aims to conduct a literature review related to exponential learning using the Contextual Teaching and Learning (CTL) approach. The method used is Systematic Literature Review (SLR). The data used in this study is exponential learning information with the Contextual Teaching and Learning approach taken from selected articles. There were 10 articles used as data sources in this study with the following criteria: (1) the topic discussed was about exponential learning, (2) using the Contextual Teaching and Learning (CTL) approach, (3) the articles came from quality journals and were indexed by Sinta and Scopus.
DEVELOPMENT OF NUMERACY LITERACY INSTRUMENTS IN ALGEBRA MATERIAL CLASS X VOCATIONAL SCHOOL Bastian, Heri; Nindiasari, Hepsi; Sukirwan, Sukirwan
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 2 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i2.32

Abstract

This research aims to produce a Mathematics numeracy literacy instrument on algebra liner material in vocational schools that is tested for validity and reliability, as well as through systematic analysis of instruments with differentiating power tests and difficulty indexes. This type of research is a development study with the Wilson model and the Oriondo and Antonio model. The data collection method uses interviews, expert validation sheets, questionnaires and numeracy literacy tests. The data were analyzed descriptively and quantitatively. The results of the research obtained are: 1) expert assessment states that this numeracy literacy instrument is an instrument that is suitable for use; 2) the readability test shows that this numeracy literacy instrument is categorized as "good", 3) the validity test shows that this instrument is valid; 4) this numeracy literacy instrument is a reliable instrument with a reliability value of ri>rtable; 5) it has a good interpretive power with the conclusion that it can be used without revision; 6) Medium average difficulty index of question items. So that the resulting instrument is an instrument that is suitable for measuring students' numeracy literacy. This research aims to produce a Mathematics numeracy literacy instrument on algebra liner material in vocational schools that is tested for validity and reliability, as well as through systematic analysis of instruments with differentiating power tests and difficulty indexes. This type of research is a development study with the Wilson model and the Oriondo and Antonio model. The data collection method uses interviews, expert validation sheets, questionnaires and numeracy literacy tests. The data were analyzed descriptively and quantitatively. The results of the research obtained are: 1) expert assessment states that this numeracy literacy instrument is an instrument that is suitable for use; 2) the readability test shows that this numeracy literacy instrument is categorized as "good", 3) the validity test shows that this instrument is valid; 4) this numeracy literacy instrument is a reliable instrument with a reliability value of ri>rtable; 5) it has a good interpretive power with the conclusion that it can be used without revision; 6) Medium average difficulty index of question items. So that the resulting instrument is an instrument that is suitable for measuring students' numeracy literacy.
STUDENT LEARNING OUTCOMES ON OPPORTUNITY MATERIALS IN CLASS XII MTS MA AL ITTIHADIYAH MEDAN JOHOR Nurdalilah, Nurdalilah; Rindiani, Rizki; Wahyuni, Sri Devi; Ratamina, Shally; Zakiah, Putri; Hati, Suci
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 2 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i2.33

Abstract

Opportunity is one of the materials studied in Mathematics and is important to study because it has many contributions both in advanced mathematics material and in everyday life. However, in reality, many students have difficulties in applying opportunity material to advanced material and in everyday life. Therefore, researchers conducted research that aims to 1) Describe student learning outcomes in opportunity material, 2) Know students' difficulties in learning opportunity material, 3) Identify causes of difficulties experienced by students in class XII MTS MA AL ITTIHADIYAH Medan Johor academic year 2022 /2023. The data for the study were obtained from samples taken, namely class XII-Tolhah students of 33 students. Data collection techniques were carried out through tests and interviews. Data were analyzed descriptively. The results showed that student learning outcomes were still very low. This is supported because only 14 students (4.2%) out of 33 students completed the opportunity material so that researchers believe that students generally experience learning difficulties in studying opportunity material. The learning difficulties are due to 1) low understanding of the basic concept of opportunity; 2) lack of interest/will; 3) lack of practice to work on probability questions; 4) difficulty analyzing word problems; 5) less meaningful algebra learning.
THE EFFECT OF THE STAD LEARNING MODEL WITH THE RME APPROACH ON THE MATHEMATICAL REASONING ABILITY OF JUNIOR HIGH SCHOOL STUDENTS FLAT SIDE SPACE BUILDING MATERIALS Pandega, Siwi Nur; Hendrastuti, Zuida Ratih; ‘Adna, Syita Fatih
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 2 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i2.34

Abstract

This study aims to analyze the classical mastery of mathematical reasoning abilities in the STAD learning model with the RME approach and the direct learning model. Another goal is to analyze the comparison of mathematical reasoning abilities with the STAD learning model and the RME approach with the direct learning model. This is a quantitative study with a quasi-experimental design in the form of a posttest-only control design. The population is class VIII students of SMPN 3 Mertoyudan. Using the cluster random sampling technique, two classes were obtained as research samples, with class VIII C consisting of 32 students as the experimental class and class VIII D consisting of 26 students as the control class. The data analysis technique used is the Z test and the independent sample T test. The test results with the Z test, in the experimental class and control class, is accepted, meaning that the two classes have completed classically. The test results with the T test in both classes, obtained    then is rejected meaning that there is a difference in the mathematical reasoning abilities of the experimental class and control class students. After further analysis, the average value of the experimental class was while the average value of the control class was. Based on the results of the study, it can be concluded that: 1) the mathematical reasoning abilities of students who apply the STAD learning model with the RME approach achieve classical mastery; 2) the mathematical reasoning abilities of students who apply direct learning models achieve classical mastery; and 3) the mathematical reasoning abilities of students who apply the STAD learning model with the RME approach are better than students who apply the direct learning model.
IDENTIFICATION OF ONLINE-BASED MATHEMATICS LEARNING PROCESS REVIEWED FROM JUNIOR HIGH SCHOOL STUDENT LEARNING OUTCOMES Pandega, Siwi Nur; Isnaeni, Nadia; Yanti, Fitri Dwi; Rizkiani, Rizka; Pramesthi, Dewi; Rahmawati, Fadhilah
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 2 No. 2 (2024): Tesseract: International Journal of Geometry and Applied Mathematics
Publisher : Nindikayla Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.57254/tess.v2i2.35

Abstract

This study aims to describe the identification of the mathematics learning process in junior high school students during online learning in terms of learning outcomes.  This study uses a qualitative descriptive approach.  The data analysis technique used a questionnaire with google forms and a comparison of student scores during online learning and before online learning.  The subjects of this study were students of grade 8 SMP Eka Sakti Semarang.  The number of students was 67 people from two different classes.  The results show that online learning is considered to be the solution for teaching and learning activities to continue in the midst of this pandemic.  Based on the results of data analysis, it can be concluded that the online-based mathematics learning process of junior high school students using Google Classroom includes three stages, namely the preliminary stage in the form of learning preparation, the core stage in the form of learning methods, and the evaluation stage in the form of learning outcomes for students.  Student learning outcomes before face-to-face online learning were higher than when learning online using Google Classroom.  The cause of low online learning outcomes is because when online applications are too complex students are unable to learn mathematics optimally, as well as when there is a lot of data that must be conveyed but internet or network access becomes slow, of course this will interfere with student activities.

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