JTAM (Jurnal Teori dan Aplikasi Matematika)
Jurnal Teori dan Aplikasi Matematika (JTAM) dikelola oleh Program Studi Pendidikan Matematika FKIP Universitas Muhammadiyah Mataram dengan ISSN (Cetak) 2597-7512 dan ISSN (Online) 2614-1175. Tim Redaksi menerima hasil penelitian, pemikiran, dan kajian tentang (1) Pengembangan metode atau model pembelajaran matematika di sekolah dasar sampai perguruan tinggi berbasis pendekatan konstruktivis (PMRI/RME, PBL, CTL, dan sebagainya), (2) Pengembangan media pembelajaran matematika berbasis ICT dan Non-ICT, dan (3) Penelitian atau pengembangan/design research di bidang pendidikan matematika, statistika, analisis matematika, komputasi matematika, dan matematika terapan.
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<![CDATA[Learning Design Based on Local Wisdom Maddawa-dawa, Mammanu-manu and Mappettuada ]]>
<![CDATA[F. A, A. Nurannisa]]>;
<![CDATA[Asfar, Andi Muhammad Irfan Taufan]]>;
<![CDATA[Asfar, Andi Muhamad Iqbal Akbar]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2849
<![CDATA[Local traditions of Maddawa-dawa, Mammanu-manu, Mapppettuada as a form of local wisdom that elaborated entry into learning, especially mathematics. In its application the local traditions of Maddawa-dawa, Mammanu-manu, Mapppettuada integrated with an android application, namely the application of group maker is used on the phase Maddawa-dawa, application lucky wheel and mind mapping is used on the phase Mammanu-manu and application pro & cons used on the phase Mappettuada. This research emphasizes the design process with a focus on the literature review in finding the proper integration between local traditions of Maddawa-dawa, Mammanu-manu, Mapppettuada with android apps that are focused student-centered in learning. The results of this design are expected to provide an alternative solution in improving the ability of extrapolation of the students especially in the learning of mathematics through the approach of local traditions in the learning process.]]>
<![CDATA[Profile of Cybernetic Thinking of Students in Mathematical Problem Solving Based on Serialist and Holist Thinking Style ]]>
<![CDATA[Yanti, Aning Wida]]>;
<![CDATA[Kusaeri, Kusaeri]]>;
<![CDATA[Kustianingsih, Mia]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2403
<![CDATA[This research aim to describe the profile of cybernetic thinking of students in solving algebra problems. This research is a descriptive study with a qualitative approach using questionnaires, written tests, and interview guidelines. Intake of subjects who have Serialist and Holist thinking styles have done using purposive sampling. The results showed students who have the Serialist thinking style at the time of the Sensory Register's attention and good perception so that information stored in Short Term Memory. Retrieval done well even when rehearsal has difficulty because of forgetting certain concepts, but information has been stored well in Long Term Memory. The encoding done well. While students who have Holist style of thinking lack attention and perceptions are not structured so that information is not stored correctly in Short Term Memory. So that retrieval can not be done correctly. Therefore during rehearsal, they have difficulty in applying the settlement method because the information is not stored correctly in Long Term Memory.]]>
<![CDATA[Blended Learning Model During the Covid-19 Pandemic: Analysis of Student’s' Mathematical Disposition ]]>
<![CDATA[Fadillah, Ahmad]]>;
<![CDATA[Nopitasari, Dian]]>;
<![CDATA[Pradja, Barra P]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2582
<![CDATA[The purpose of this study is to describe the mathematical disposition of students who use blended learning during the Covid-19 pandemic. This research is a descriptive qualitative research. The research subjects were four students from the sixth semester of mathematics education study program. The research instrument was a student mathematical disposition questionnaire. The results of the study concluded that the average level of mathematical disposition of students was classified as moderate. If seen from the indicators, only the monitor and evaluate indicators are classified as high category. Indicators of persistence and perseverance, especially when lecturers present interesting contextual problems. Many indicators of curiosity arise when lecturers invite students to be active in learning, for example students are invited to study in groups. Many self-confidence indicators appear when lecturers ask students questions. While many flexible indicators appear when lecturers give open ended questions.]]>
<![CDATA[Mathematical Engagement When Solving Mathematical Problem With Brawijaya Temple Context Based on Mathematical Ability Level ]]>
<![CDATA[Alfaoundra, Valerient Trisna]]>;
<![CDATA[Hayuhantika, Diesty]]>;
<![CDATA[Santoso, Achmad Budi]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2879
<![CDATA[This research to describe the mathematical engagement of seventh grade junior high school students in problems solving with the theme of Brawijaya Temple with high, medium, and low levels of mathematical ability. This type of research is qualitative research using an exploratory approach. The students used were 6 grade VII students of Junior High School 1 Karangrejo who were students working on problem solving and interviewing. The results showed: (1) mathematical engagement of highly skilled students in problems solving with the theme of Brawijaya Temple, namely students having the engagement of “get the job”, (2) mathematical engagement of students with moderate abilities in problems solving with the theme of Brawijaya Temple, namely students having engagement is “I am really into this”, (3) Mathematical engagement of students with low abilities in problems solving with the theme of Brawijaya Temple is that students have “pseudo-engagement”.]]>
<![CDATA[Blended Learning Strategies of Telegram-Assisted Learning Towards Student Mathematics Learning Results Reviewed from Learning Style ]]>
<![CDATA[Suryati, Kadek]]>;
<![CDATA[Adnyana, I Gede]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2438
<![CDATA[The research aims to describe the influence of telegram-assisted blended learning strategies on mathematics learning outcomes in terms of learning styles. This research is a quasi-experimental research using 2x3 factorial design. The respondents taken is the second semester students majoring in informatics engineering at the STMIK STIKOM Indonesia campus. The sampling procedure in this study was a random sampling technique that was started by carrying out the equivalency test of 4 classes taken using the one-way ANOVA test. After that randomly selected, two classes as an experimental class and two classes as a control class. To get instruments that have validity before use, questionnaires and tests are first tested and validated by experts who are experts in their fields. Normality and homogeneity tests are needed as a prerequisite before analyzing the data. The method used to analyze data is two-way ANOVA. The results showed that (1) student mathematics learning outcomes taught with telegram-assisted blended learning strategies were better than conventional mathematics learning outcomes of students taught, (2) the effect of telegraph-assisted blended learning strategies on student mathematics learning outcomes in learning styles. Based on the results of the research that has been carried out, it is recommended that further researchers or educators be able to develop a blended learning strategy as a way to convey learning material so that they can pay more attention to the learning styles of each student and can develop telegrams with more attractive features so that the telegram becomes one of online application for learning media.]]>
<![CDATA[Habits of Mind Strategies for Enhancing Students’ Math Problem Solving Skills ]]>
<![CDATA[Habibi, Mhmd]]>;
<![CDATA[Lasia, Dwi]]>;
<![CDATA[Oktafia, Mesi]]>;
<![CDATA[Ilham, Muhammad]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2590
<![CDATA[The objective of this research is to know the differences in mathematical problem solving skills between using mathematical habits of mind strategy with conventional learning. Methods that is used is quasi-experimental, with non-equivalent control group design. The subject of this study was a 7th grade junior high school student with 56 number of people which were 12th-13th years old. with sampling techniques i.e. purposive sampling. Instruments that is used in this research is description test which was arranged based on mathematical problem solving skills material. Data analysis technique is with N-Gain T-test. The result show that the significant N-Gain score obtained is 0.008. The N-Gain score is smaller tha (α = 0.05), which means that there is a significant difference in the increase in mathematical problem solving abilities toward participant student who use mathematical habits of mind strategies with those using conventional learning. statistically proven habits of mind strategy that influences problem solving can be one of the practitioners' choices in teaching mathematics in basic education.]]>
<![CDATA[Electronic Magazine Development in Mathematics Learning ]]>
<![CDATA[Komarudin, Komarudin]]>;
<![CDATA[Suherman, Suherman]]>;
<![CDATA[Puspita, Laila]]>;
<![CDATA[Savitri, Indy Alda]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.1947
<![CDATA[The purpose of this study was to develop a teaching material in the form of an electronic magazine in mathematics learning. This study uses research and development methods. The development procedure used is the ADDIE (Annalyze, Design, Development, Implementation, Evaluation) development model procedure. Data collection techniques used were observation, questionnaires and tests. The sample used was class VII SMP (Junior High School). The data analysis technique used is the t test. Based on the results of the validation carried out the media developed obtained very appropriate criteria by experts (media experts and material experts). Judging from the attractiveness of the results obtained from 2 large-scale trials and small-scale electronic magazines that were obtained obstained very interesting criteria. Based on the results of the t-test it was found that the learning outcomes of students using electronic electronic magazines were better than the learning outcomes of students who did not use mathematical electronic magazines. Based on this, it can be concluded that electrochemical magazines in mathematics learning developed can be used as mathematical learning aids.]]>
<![CDATA[The Effect of Problem-Based Learning (PBL) Model On Mathematical Communication Skills of Junior High School Students – A Meta-Analysis Study ]]>
<![CDATA[Susanti, Nipa]]>;
<![CDATA[Juandi, Dadang]]>;
<![CDATA[Tamur, Maximus]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2481
<![CDATA[This study aims to integrate research findings on the effect of the Problem-Based Learning (PBL) model on the mathematical communication skills of junior high school students in Indonesia since 2014. The research method used is a meta-analysis with many samples studied, namely 12 published articles. The sampling technique used was purposive sampling. The effect size transformation is based on the g hedge equation calculated using the Comprehensive Meta-Analysis (CMA) application. Based on the results of the analysis, the combined effect of PBL on mathematical communication skills is 0.791, with the high influence criteria according to the random-effect estimation model. There are four criteria considered, namely, sample size, year of study, source of journal publication, and grade level. The results of the heterogeneity test seen based on the variables studied showed that the effect of the PBL learning model was not significantly different from the three moderator variables in terms of sample size, year of study, and publication journals and very different in terms of grade level. This finding is surprising because the random-effects model, as determined by the heterogeneity test, showed variation between effect sizes. Only one of the four variables causes this variation. Therefore further research is needed, which includes more studies and the characteristics studied to describe it more accurately.]]>
<![CDATA[Forecasting the Development of Islamic Bank in Indonesia: Adopting ARIMA Model ]]>
<![CDATA[Syarif, Ahmad]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2790
<![CDATA[Financial activities that are often carried out by people in developed and developing countries. Banks can collect public funds directly from customers, then distribute them to the public. Islamic banks still have a good reputation in the community so that the assets and third party funds of Islamic commercial banks grow. This is also reinforced by public optimism due to regulation of Banking Synergy in One Ownership for the development of Islamic Banking. The purpose of this study is to forecast the growth of Islamic banking after the implementation of banking synergy regulations in one ownership as an effort to increase the efficiency of the Islamic banking industry. This study used the secondary data all of the Islamic Banks in Indonesia from Financial Service Authority by Autoregressive Integrated Moving Average (ARIMA) period 2015-2019 as the estimated data and 2020-2022 as the forecasting data in quarter. This study used two variables, asset and third-party fund, to estimate the best model. The result shows ARIMA (0,1,1) has the small AIC and significant value as best estimation model. The growth of Islamic banks in 2020 will increase by 7.4 % in assets and 7.3 % by the end of 2022 to IDR 437 trillion. Meanwhile, third party funds by the end of 2022 will increase by 8 % with total third party funds of IDR 361 trillion. Banking Synergy in One Ownership Order has the potential to increase the effectiveness and the efficiency of the Islamic Banking Industry at future. ]]>
<![CDATA[On Properties of the (2n+1)-Dimensional Heisenberg Lie Algebra ]]>
<![CDATA[Kurniadi, Edi]]>
<![CDATA[ JTAM (Jurnal Teori dan Aplikasi Matematika) Vol 4, No 2 (2020): October ]]>
Publisher : <![CDATA[Universitas Muhammadiyah Mataram ]]>
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DOI: 10.31764/jtam.v4i2.2339
<![CDATA[In the present paper, we study some properties of the Heisenberg Lie algebra of dimension . The main purpose of this research is to construct a real Frobenius Lie algebra from the Heisenberg Lie algebra of dimension . To achieve this, we exhibit how to compute the derivation of the Heisenberg Lie algebra by following Oom’s result. In this research, we use a literature review method to some related papers corresponding to a derivation of a Lie algebra, Frobenius Lie algebras, and Plancherel measure. Determining a conjecture of a real Frobenius Lie algebra is obtained. As the main result, we prove that conjecture. Namely, for the given the Heisenberg Lie algebra, there exists a commutative subalgebra of dimension one such that its semi direct sum is a real Frobenius Lie algebra of dimension . Futhermore, in the notion of the Lie group of the Heisenberg Lie algebra which is called the Heisenberg Lie group, we compute the generalized character of its group and we determine the Plancherel measure of the unitary dual of the Heisenberg Lie group. As our contributions, we complete some examples of Frobenius Lie algebras obtained from a nilpotent Lie algebra and we also give alternative computations to find the Plancherel measure of the Heisenberg Lie group.]]>
