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IndoMath: Indonesia Mathematics Education

Indomath
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Published by Universitas Sarjanawiyata Tamansiswa

ISSN : 26145103 EISSN : 26145111 DOI : -

Core Subject : Education,

Education Mathematics

IndoMath is a journal published every 6 months ie February and August managed by Mathematics Education, Universitas Sarjanawiyata Tamansiswa Yogyakarta. IndoMath has p-ISSN 2614-5103 and e-ISSN 2614-5111 IndoMath is a Scientific Journal that publishes articles of research or review studies in the field of mathematics education.

Arjuna Subject : -

Articles 7 Documents

Search results for , issue "Vol 2 No 1 (2019)" : 7 Documents clear

Efektifitas Model Pembelajaran Osborn Dengan Teknik Brainstorming Pada Mata Kuliah Metode Numerik Harfin Lanya; Septi Dariyatul Aini
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

This study aims to determine the studentsâ€™ learning outcomes, studentsâ€™ activities and studentsâ€™ response of Osborn model with the Brainstorming technique using the matlab application in the numerical method subjects, especially in the roots of nonlinear equations material. This research is descriptive research with a qualitative approach. The subjects in this study were 6 students of sixth semester. Data collected are through observation of student activities, test questions and student response sheets. While data analysis techniques are carried out using the mean and percentage formulas. The results showed that at the 1st meeting the mean student activity reached 84,5%, the second meeting reached 95,2%, and the 3rd meeting reached 98,2%. Student learning outcomes are the lowest 81 and the highest is 93.5. While the percentage of student responses 93.3% is very good category. From the results of this study, it can be concluded that Osborn Learning Model with the Brainstorming technique by applying matlab application is effective on student learning outcomes in numerical method subjects.

LKPD Bermuatan Inquiry dan Budaya Jambi: Efektivitas dalam Meningkatkan Kemampuan Berpikir Kreatif Matematis Sutrimo Sutrimo; Kamid Kamid; Saharudin Saharudin
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

This study aims to describe the process and results of the development of mathematical LKPD and the quality of LKPD with the inquiry and culture of Jambi. This study uses the Research and Development (R & D) method that is used to produce certain products, namely developing mathematical LKPD. The development model used in this study is the ADDIE. In this development research there are two validators consisting of material expert validator test, learning design expert validator and media test, and also the user target of this product is IX grade junior high school students. The type of data taken in this study is in the form of qualitative data and quantitative data. The instruments used in the study were questionnaires and test results. The results of the study obtained an increase in students' mathematical creative thinking skills in the medium category based on the gain test seen that the score obtained was 0.4 in the medium criteria and students expressed a positive response to the developed LKPD. It can be concluded that mathematical LKPD developed very well and can improve students' creative mathematical thinking skills. Therefore this LKPD can be used by teachers and students in the learning process in the material to construct curved side spaces so that learning is more effective and obtains better learning outcomes.

PENGARUH MODEL PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SQUARE TERHADAP KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS SISWA Siti A. M. Karubaba; Bobbi Rahman; Samsul Arifin
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

This study aims to investigate whether the ability to understand mathematical concepts of students who get cooperative learning think pair square type is higher than students who get conventional learning. The research method used is a quasi-experimental method with a research design that is nonequivalent control group design. In this study sample selection using the Convenience Sampling technique is students of class VIII.5 as the control class and students of class VIII.6 as the experimental class. Experimental class students get learning using the think pair square learning model, while students in the control class get conventional learning. The instruments in this study were in the form of pretest and posttest questions in the form of questions describing the ability to understand students' mathematical concepts. In the research that has been done, the significance (sig.) 0,000 is smaller than the significance level Î± = 0.05. The research hypothesis testing was carried out by the Mann-Whitney test using SPSS and a significance level of 5% (Î± = 0.05).. In this study it was found that the ability to understand mathematical concepts of students who received think pair square learning was higher than students who obtained conventional learning.

Peningkatan Kemampuan Pemecahan Masalah Matematis Siswa SMP Melalui Pembelajaran Group Investigation Berbantuan Proyek Wiwit Damayanti Lestari; Yaya Sukjaya Kusumah; Stanley Dewanto
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

The purpose of this study is to examine the differences in the improvement of students' mathematical problem-solving abilities in the classroom with investigation group learning assisted by projects and conventional learning classes. This study included quasi-experimental research with a non-equivalent control group research design. All mathematical problem-solving abilities of class VII students in one of the junior high Schools were the population in this study. Two classes were taken as samples, namely the experimental class applying the project-assisted investigation group and the control class that applied conventional learning. The question of mathematical problem-solving ability was used as an instrument in this study. Data on mathematical problem-solving ability from pretest and posttest then determined normalized gain average between two classes and analyzed using t-test. The results showed that the improvement of students' mathematical problem-solving abilities in the class applying project-assisted group learning was better than students in the class applying conventional learning, but the average increase in the two classes was in the moderate classification. So that project-assisted investigation group learning can be used as an alternative to improve the students' mathematical problem-solving skills in junior high school.

Pengembangan JiMath Sebagai Multimedia Pembelajaran Matematika Berbasis Android Untuk Siswa Sekolah Menengah Atas Muhammad Ardiansyah Hendriawan; Ari Septian
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

The smart phone can be used for various functions, one of which is multimedia of education. However, it is still very rare for smart phone users with Android operating system especially high school students who use their smartphones as multimedia of education. This study aims to develop multimedia of mathematics education based on Android with the name JiMath for high school students and to determine the response of students and the level of effectiveness of the multimedia education mathematics developed. The subjects of the experiments as well as the targets in this study were the students of class X IPA 6 SMAN 2 Cianjur which amounted to 32 students. The method used is research and development with ADDIE development model (Analysis, Design, Development, Implementation, and Evaluation). The result of the research shows that the multimedia of mathematics education based on android developed by the media expert meets the Very Eligible category with the percentage reaching 81%. Meanwhile, according to the material expert meets the Eligible category with a percentage of 65.83%. Then for the effectiveness of multimedia education developed according to respondents meet the Eligible category with the percentage reached 74.1%. So that the multimedia of mathematics education based on Android is effectively used as a supporting multimedia of education for students who can use anytime and anywhere.

Pembelajaran Dengan Quantitative Reasoning Pemecahan Masalah Pada Mata Kuliah Teori Bilangan Fetty Nuritasari; Devie Reztia Anjarani
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

The objectives of the study: 1. examine questions related to Quantitative Reasoning; 2. It is expected that questions related to Quantitative Reasoning can be given and trained to students. The indicators show a student have problem solving skills are: 1. Understanding the problem; 2. Determine the right settlement strategy; 3. Implement the chosen strategy; 4. Determine the solution to the problem; 5. Checking the accuracy of the strategy and the correctness of the solutions. The results showed that students with upper, middle and lower ability at the stage of problem solving were described by gathering information obtained from the questions. In the upper subject, it works quite well. This is due to the functioning of the Quantitative Reasoning component in solving problems.. Whereas in the lower subject, it also occurs incomplete. This is due to the malfunctioning component of information reception.

Pengembangan LKS Pada Materi Perkalian Dan Pembagian Bilangan Bulat Menggunakan Pendekatan Realistik Berbasis Mangrove Chairul Fajar Tafrilyanto; Bambang Kurnadi
IndoMath: Indonesia Mathematics Education Vol 2 No 1 (2019)
Publisher : Universitas Sarjanawiyata Tamansiswa

Camplong Beach is one of the beaches on the island of Madura, along the road at the beach camplong overgrown with mangrove trees, adding to the beauty of the beach. Based on the beauty, the teacher has never used the natural beauty around to be associated with learning in order to increase studentsâ€™ motivation in learning. The aim of this study was to develop Studentsâ€™ Worksheets on multiplication and distribution of Round Numbers using valid and practical mangrove-based realistic. This research is a development research that refers to a simplified Thiagarajan 4-D model which becomes three stages including defining, designing, developing. The devices obtained are Student Worksheets and RPP. The results of the study showed the Student Worksheet on multiplication and distribution of integers using valid and practical mangrove-based realistic

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