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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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OVERVIEW OF THE PHILOSOPHY OF MATHEMATICS: DESCRIPTION OF THE DIALOGUE METHOD OF SOCRATES AND PAULO FREIRE AND ITS IMPLICATIONS IN MATHEMATICS LEARNING Maysun, Maysun; Hakim, Lukman El; Aziz, Tian Abdul
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 1 (2023): 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.v1i1.6

Abstract

Mathematics has an important role for improving attitudes and behavior through critical thinking. The learning method that can be applied to improve critical thinking skills is the dialogue method. Dialogue activities will provoke students to be more active in learning and educators can gather information, generate responses, focus students' attention, and test students' understanding. Socrates and Paulo Freire are two important figures who apply the dialogue method in learning. This research aims to describe the philosophical review of Socrates' dialogues and Paulo Freire's dialogues and their implementation in learning mathematics. The research method used is qualitative with library research. The result of this study is that the researcher found that the dialogue method can create an interesting and interactive classroom atmosphere. Through the dialogue process, educators can facilitate students to hone and improve their critical thinking skills
STUDENTS' MATHEMATICAL COMMUNICATION SKILLS REVIEWED FROM SELF-CONFIDENCE THROUGH APPROACH PROBLEM-BASED LEARNING (PBL) Lubis, Risa Nursamsih; Hakim, Lukman El; Aziz, Tian Abdul
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 1 (2023): 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.v1i1.7

Abstract

One of the abilities that is very important to pay attention to in learning mathematics is students' mathematical communication skills. In addition to mathematical communication abilities, other aspects must be considered and support students' success in mathematics, including self-confidence. Students with high self-confidence can understand and express their ideas or ideas in language and mathematical symbols to convey information or opinions through speech or writing. This study aims to provide an overview of students' Mathematical Communication Ability in terms of Self-confidence through a Problem Based Learning (PBL) Approach. The method used is descriptive, describing the results of a literature review of at least 25 relevant articles. The results of this study are that there is a positive relationship between students' self-confidence and mathematical communication abilities and the Problem Based Learning Approach is effective in improving students' mathematical communication skills and self-confidence
ANALYSIS OF CORRESPONDENCE BETWEEN SCHOOL CONDITIONS, TEACHING STAFF, AND LEARNING INFRASTRUCTURE ON SCHOOL PERFORMANCE AT SD RICCI 1 WEST JAKARTA CITY Yosep, Herman; Basir, Choirul
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 1 (2023): 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.v1i1.8

Abstract

One of the tools to measure a school's progress is school achievement. School achievement is influenced by various factors including the school environment, community environment, and family environment. In this study, researchers limit the problem to the school environment. The school environment is the factor that has the most direct interaction in the world of education, including the school's condition, teaching staff, and learning infrastructure. This study uses correspondence analysis to produce a perception map to find the relationship between the school environment and school achievement in RICCI Elementary School 1 City of West Jakarta. Correspondence analysis reduces variable dimensions and describes the row and column vector profiles of a data matrix from a contingency table. The results obtained are that good achievements are more influenced by the condition of the school and teaching staff and learning infrastructure
DEVELOPMENT OF POWERDROID-BASED EDUCATION GAME IN MATHEMATICS LEARNING FOR GRADE VIII JUNIOR HIGH SCHOOL STUDENTS Pratami, Gena Disa; Desfitri, Rita; Niniwati, Niniwati; Amelia, Puspa
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 1 (2023): 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.v1i1.9

Abstract

This study aims to produce learning media Education Game based on PowerDroid in learning valid and practical math for junior high school students. The type of research used is Research & Development (R&D) with the Borg & Gall development model modified by Sugiyono. There are 10 research steps, researchers limit the research steps to 7 steps, namely: 1) Potential and problems; 2) Data collection; 3) Product design; 4) Design validation; 5) Design revision; 6) Product trial; and 7) Product revision. 2 expert validators validated the developed product. The results of the material expert validation get a percentage of 100% with the criteria "very valid", the results of the media expert validation get a percentage of 87% with the criteria "valid". After the validation is complete, the student and teacher practicality test is continued, the practicality test is carried out at SMPS Yapphi Pasar Usang with 4 students and 1 math teacher to determine the feasibility level of learning media. The results of the student's practicality percentage get a percentage of 94.64% with the criteria "very practical", the results of the teacher's practicality get a percentage of 100% with the criteria "very practical". They are also supported by the results of positive teacher and student responses and the results of student evaluations that have met the passing score. It can be concluded that the development of PowerDroid-based Education Games in learning mathematics for grade VIII junior high school students is very feasible to use as learning media
PARTIAL DIFFERENTIAL IN OPTIMIZATION SALES OF GOODS THROUGH THE USE OF CURVE FIT SOFTWARE – TOOLS Savitri, Peti; Nurkamali, Ahmad
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 1 (2023): 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.v1i1.10

Abstract

It should be that a company in any field will follow the laws of capital economics that is getting the maximum profit with the smallest effort. This is where optimization as an attempt to get the maximum profit begins. This study aims to help determine the optimum value in a product sales mix by applying partial differential theory and analyzing the margins' contribution between variable costs, fixed costs, and sales volume. The method used in this research is a case study of partial differential theory using tools in Curve Fit - Tools version 1.6 which is used to obtain a suitable curve using the Least Square Approximation method. The results of the study are obtained the optimal composition value of the sales mix in the form of five types of shirts to produce the most optimal profit obtained by the company. From the calculations that have been done, it turns out that the profits obtained by the company from the sale of products after using partial differential theory are 22% higher than the profits obtained before using partial differential theory
DEVELOPMENT OF CONTEXTUAL-BASED MATHEMATICS STUDENT ACTIVITY SHEETS (LKS) AT SMP N 11 YOGYAKARTA Fitrianingrum, Fitrianingrum
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 2 (2023): 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.v1i2.11

Abstract

The learning resources for grade 7 students of SMP N 11 Yogyakarta used are textbooks and worksheets containing a summary of the material. This study aims to create teaching materials in Mathematics LKS to facilitate student learning through contextual-based learning resources close to the student's environment. The test subjects in this study were 13 students of class 7B and 34 students of class 7A at SMP N 11 Yogyakarta. The LKS development method uses the ADDIE method, namelyanalysis, design. development, andimplementation. Data collection instruments using questionnaires and questionsposttest. The results of development research in the form of contextual-based math worksheets in the school environment are valid with a score of 72.86%, practical with a score of 4.02 from student responses and a percentage score of 92.31% implementation of learning, and effective with a score of 79%. So that LKS is suitable for use in learning mathematics on related material
THE EFFECT OF THE THREE-STEP INTERVIEW TYPE COOPERATIVE LEARNING MODEL ON THE MATHEMATICAL COMMUNICATION SKILLS OF MTS ROUDOTUSSALAM STUDENTS ON TRIANGULAR AND QUADRILATERAL MATERIAL Amalia, Lilik; Hamidah, Hamidah; Ayuningtyas, Vidya
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 2 (2023): 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.v1i2.12

Abstract

This research is based on the background that teachers still use the one-way lecture learning model which the teacher dominates, thus making students passive, lack of students' mathematical communication skills, especially in learning mathematics.. This study aims to: (1) determine the differences in the initial abilities of students in the experimental class and control class; (2) find out whether students' mathematical communication skills given the Three Step Interview type cooperative model are better than the conventional model; (3) find out how the influence of the learning model cooperative type Three Step Interview on students' mathematical communication skills. This research is an experimental study with a Nonequivalent Control Group research design. Data collection techniques using a mathematical communication ability test which consists of four question in the form of a description. Te date analysis technique was carried out by normality test, homogeneity test, average difference test, and effect size. Based on the calculation of hypothesis test 1, obtained t_(count) 1.056 and t_(table) 1.685 at a significance level of 5%, which means t_(count) > t_(table) ( 1.056 <1.685) Then H_(0) is accepted. Test hypothesis 2 obtained t_(count) 3.016 and t_(table) 1.685 at a significance level of 5% which means t_(count)> t_(table) (3.016 > 1.685) then H(0) is rejected and H(1) received. The effect size test is 0.9796, so the interpretation criteria are high. So it can be concluded that: (1) there is no difference in the initial abilities of the experimental class and control class students; (2) the mathematical communication ability of students who are given the Three Step Interview type of cooperative learning model is better than the conventional learning model; (3) the effect on the cooperative learning model Type Three Step Interview on students' mathematical communication skills is high
PRIVATE LESSONS IN IMPROVING MATHEMATICS LEARNING OUTCOMES Safitri, Alfiani Dwi; Fitrianti, Devina Urfa; Febriliati, Febriliati; Awaliyah, Registiani; Kusuma, Jaka Wijaya
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 2 (2023): 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.v1i2.13

Abstract

The main problem in learning mathematics in schools is still the low absorption of students; some influences that cause problems in the learning process such as students' lack of knowledge at the beginning of learning, students quickly forgetting the lessons that have been learned, students responses are lacking, and this illustrates the unpreparedness of students in following learning. Mathematics is a cursive subject; regulation of the Minister of National Education No. 22 of 2006 concerning content standards that mathematics subjects need to be given to all students starting from elementary school to stimulate logical, analytical, systematic, critical, and creative thinking, as well as the ability to work together. Mathematics lessons at the junior high level based on the 2013 curriculum are presented with more material than before. This makes students lazier to learn, and the learning outcomes are low. The method in this study uses experimental research. The type of research uses tests and questionnaires. Moreover, the variables it uses are the results of learning and private tutoring. This research instrument uses questions in the form of Multiple Choice (PG) with 5 number questions. This study used an online survey activity by filling out a questionnaire on Google form about comparing mathematics learning outcomes of students who took private lessons and those who did not take private lessons at the junior high school level in Serang City. The development carried out is identity. To find out students' learning difficulties, the author conducts questionnaires (questionnaires) to test questions on students to find out their level of ability to take private lessons and those who do not. In a small-scale result trial using questionnaire questionnaires to determine the improvement of learning outcomes involving 30 junior high school students in Serang City, the second is a trial of the test method, which is to convince data and find out the level of ability of students from the results of learning mathematics in private lessons involving 11 students into large groups
THE EFFECT OF USING NESTED TYPE LEARNING MODEL ON UNDERSTANDING THE CONCEPT OF CLASS VII MTS IN ASHHABUL MAIMANAH Roliyah, Roliyah; Kusuma, Jaka Wijaya; Nur, Maulida
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 2 (2023): 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.v1i2.14

Abstract

This research is motivated by the low understanding of students' mathematical concepts influenced by several things, one of which is the learning model used by the teacher. The teacher's selection of an inappropriate learning model will affect the student's learning process. Therefore, learning is needed to make it easier for students to understand mathematical concepts and involve them to be more active and concentrate more in the learning process. The research aims to determine: 1). Is the ability to understand the concept of students who are given learning with nested type models better than those given conventional learning; 2). How does using the nested type model affect the ability to understand the concepts of class VII MTS Ashhabul Maimanah? The method used in this study is the True experimental design method, posttest-only control design. Data collection techniques using students' mathematical concept understanding tests amounted to 8 items of description, and data analysis was carried out by testing requirements (normality test and homogeneity test), Hypothesis 1 Test (Average difference test), and Hypothesis 2 Test (Effect Size). Based on the t-test obtained = 2.8108 and = 1.1683. Because > so the decision is rejected and accepted. Based on the interpretation of the Cohens table in Table 1.7 with the 79th percentile in addition to the effect size, which is 0.882, this shows that the non-overlapping distribution of the experimental class scores with the control class score distribution of 47.7% is high. The conclusion is 1). Understanding the concept given by nested model learning is better than the conventional model. 2) The effect of using a nested learning model on the concept understanding of the seventh-grade students of MTS Ashhabul Maimanah is high.
ASSESSMENT OF MATHEMATICS LEARNING BASED ON BANYUMASAN ART CULTURE Kusno, Kusno; Setyaningsih, Eka; Gunawan, Gunawan; Kusuma, Jaka Wijaya
Tesseract: International Journal of Geometry and Applied Mathematics Vol. 1 No. 3 (2023): 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.v1i3.15

Abstract

Learning assessment based on local wisdom is essential in interpreting cultural diversity. This Science and Technology for the Community (IbM) activity aims to socialize ethnomathematics-based mathematics learning assessments, especially Banyumasan art culture. The target of this activity is UMP elementary school teachers in general and UMP elementary mathematics teachers in particular, totaling 22 people. The methods and strategies used in implementing this IbM are starting with a preetest to determine the initial ability of participants, given treatment through book review, discussion, question and answer, simulation and ending with postest and reflection. This activity results in the increasing insight of UMP elementary school teachers on ethnomathematics-based learning assessment, especially Banyumasan art with an average gain of as much as possible. 17.85. The participants' responses to the implementation of this activity were adding insight (59%), valid (19%), welcoming positively and expressing pleasure (22%).

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