Authors:Rohmah Indahwati, Evha Nazalatus Sa'adiyah Abstract: English Mathematics course mostly deals with comprehension questions, grammar and vocabulary related to the field of Mathematics. The goal is that students have the confidence in communicating using English as well as utilize various sources of English teaching materials. But in reality, they usually experience several problems as the medium of instruction changes from their mother tongue to another language. This phenomenon in the case of Mathematics education brings the consequences faced by Mathematics educators. This paper describes the understanding of Mathematicsematical concepts in English textbooks (Fraction) on the students of English Mathematics Study Course of Mathematics Education of Madura University. The data that used in this research is the result of the translation scripts of students at the Mathematics education department on the fractional concepts in English textbooks, observations on the student presentation and interviews. The result of this research are, Subjects still have not been able to understand the meaning of fractions that are linked in real objects and clear Mathematicsematical models., subjects still used word-for-word translation, translating without providing meaningful information and also lack of vocabulary. PubDate: 2018-06-05 DOI: 10.24127/ajpm.v7i1.1277 Issue No:Vol. 7, No. 1 (2018)

Authors:Yadi Ardiawan, Nurmaningsih Nurmaningsih Abstract: This study aims to reveal the ability of adaptive reasoning of junior high school students in Pontianak, which is divided into high school, medium and low school categories. This research is descriptive research with research form is survey research. Sampling in this research using stratified cluster random sampling technique. Of the 23 schools randomly assigned to each school to represent high school, middle-class, and low-grade schools. Categorization of schools based on the value of National Exam students. Based on the result of the research analysis, it is found that the average of adaptive reasoning ability of junior high school students in Pontianak is 42,96% with enough category. While the average of adaptive reasoning ability of high, moderate and low group students is 48,82%, 41,06% enough, and 39% are enough. PubDate: 2018-06-05 DOI: 10.24127/ajpm.v7i1.1299 Issue No:Vol. 7, No. 1 (2018)

Authors:Vera Dewi Susanti Abstract: The purpose of this research are: (1) To know which learning model give better learning to result between ATI teaching model with CTL, ATI and conventional approach, (2) to know which gives better learning result among students who have discipline of high, medium and low (3) To know whether there is interaction between learning model and learning discipline to mathematics learning achievement.The type of research is quasi experimental research (quasi experimental). Instruments used were mathematics achievement test, questionnaire, and documentation instrument. The data were analyzed by using two-way variance analysis with unequal cells.The conclusions of this study are (1) Learning outcomes with ATI learning model with CTL approach is better than ATI and conventional model, while the ATI learning model is better than conventional. (2) Students' learning outcomes with higher learning discipline are better than those with moderate and low self-discipline, while students with discipline are better than those with low discipline. (3) There is no interaction between the learning model and the discipline of learning on mathematics learning achievement PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1206 Issue No:Vol. 7, No. 1 (2018)

Authors:Rachmania Mirza Hariastuti, Dwi Anita, Moh. Ade Setiawan Abstract: Generally, every student have multiple intelligences in different level, one of them is visual spatial intelligences. Visual spatial intelligences base on ability to decipt from an object. The maximal condition of visual spatial development expected to support students mathematical literacy, specially at geometry. This research aim to develop a media to train students visual spatial intelligences. Development done with ADDIE models and designed pursuant to media print later then realized in the form of electronic. Subject is 9 student selected by random technique. The research result in the form of electronic quiz media making student exercise to be able to interpret form three dimension (3D) to form two dimension (2D), or on the contrary. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1234 Issue No:Vol. 7, No. 1 (2018)

Authors:Loviga Denny Pratama, Wahyu Setyaningrum Abstract: Studi ini bertujuan mendeskripsikan algoritma berhitung pada transaksi jual-beli yang dilakukan Blijah dalam masyarakat Madura. Studi ini merupakan studi kualitatif dengan pendekatan studi kasus. Data dikumpulkan dengan teknik observasi dan wawancara. Sumber data adalah 8 orang Blijah yang tinggal di Kecamatan Paiton, Probolinggo. Analisis data dilakukan dengan menggunakan model Miles & Huberman. Hasil studi diperoleh beberapa algoritma berhitung yang terdiri dari penjumlahan, pengurangan, perkalian dan pembagian. Dimana artikel ini akan fokus pada algoritma penjumlahan dan pengurangan. Dalam algoritma berhitung tersebut terdapat perbedaan dengan cara yang diajarkan di sekolah. Sehingga hasil penelitian ini diharapkan dapat memberikan inspirasi dan alternative dalam pembelajaran berhitung di kelas. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1239 Issue No:Vol. 7, No. 1 (2018)

Authors:Ni Made Dwijayani Abstract: The purpose of this research was to develope mathematics instructional materials with ICARE model which were valid, practical, and effective. The instructional materials which were developed in this study consisted of mathematics worksheet. Data were collected by using observation sheet of instructional materials implementation, student’s and teacher’s response questionnaire, and problem solving test. The collected data analyzed descriptively. The result of this research showed that the developed mathematics instructional materials are categorized “very high” in validity. Based on the results of try out which were conducted, it was obtained that the instructional materials had fulfilled the practicality aspect. It could be seen from: 1) the instructional implementation on limited try out belonged to practical and instructional implementation on the first and the second field try out belonged to very practical; 2) the use of developed mathematics instructional materials which were observed from student’s response belonged to practical; and 3) teacher’s response towarded the use of mathematics instructional materials belonged to very practical in category. The instructional materials had fulfilled the effectiveness aspects which were seen from: 1) the problem solving skills of students on the first and the second field try out were good in category (had exceeded the standard minimal score). The characteristics of the learning using the developed mathematics instructional materials were: 1) the learning began by introducing students real phenomena and problem in daily life related to the material; 2) giving the students a freedom in giving opinions and discussions; 3) generating social interaction and self-confidence of students, 4) giving the students the learning experience in using GeoGebra; and 5) giving opportunities for students to think about alternative solutions in solving problems. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1249 Issue No:Vol. 7, No. 1 (2018)

Authors:Ratri Isharyadi Abstract: This study aims to examine the effect of applying the contextual approach to improving students' mathematical problem-solving competencies. Quasi-experimental research used with the design of non-equivalent control group. The population in this study were entire students of class VIII SMP Negeri 3 Lembang. The sampling technique used purposive sampling. Experimental learning class with the contextual approach and control class with the scientific approach. The instrument used is a problem-solving test. Data analysis was done using t-test. The results showed that the improvement of students' mathematical problem-solving skills in the experimental class was better than the students in the control class. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1342 Issue No:Vol. 7, No. 1 (2018)

Authors:Febriyani Putri, Muhammad Hasbi Abstract: This research aimed at finding out (1)the improvement of the ability in creative mathematical thinking, (2) the improvement of the ability in reasoning and creative mathematical thinking for high, medium, and low level students. By involving PBL in learning requires students to think creatively to generate new ideas in learning. The design of the research was quasiexperiment. The sample were the student of VIII.9 at SMPN 31 Padang and the students of VIII.1 at SMPN 25Padang.The result of the research showed that (1) the improvement of students’ ability in creative mathematical thinking for those who were taught by using PBL was better than those who were taught by using the conventional learning, (2) the improvement of students’ ability in creative mathematical thinking for the high, medium, and low level students who were taught by using PBL was better than those who were taught by using the conventional learning, PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1285 Issue No:Vol. 7, No. 1 (2018)

Authors:Dyah Rahmawati, Darmawijoyo Darmawijoyo, Hapizah Hapizah Abstract: This research is aimed to create a learning trajectory of linear functions concept using mathematical modeling. The applied learning approach is the Model Eliciting Activities (MEAs). Design research was chosen as the research method consisting of three main phases; preliminary design, teaching experiments, and retrospective analysis. This research was conducted in class X in a public senior high school in Palembang. The result showed the design activity can encourage students to look at the form of modeling (charts/schemes/equation) that students make themself. Through steps on mathematical modeling takes students into the definition of the power to a linear functions, so the students had the idea in providing recommendations to solve real problems in life. PubDate: 2018-06-04 Issue No:Vol. 7, No. 1 (2018)

Authors:neng hanipah Abstract: Penelitian ini bertujuan untuk mendeskripsikan kemampuan berpikir kreatif matematis siswa kelas IX pada materi Lingkaran. Metode yang digunakan metode penelitian deskriptif. Jenis penelitian yang digunakan didalam penelitian ini adalah penelitian kualitatif. Subjek penelitian adalah siswa MTs kelas IX di Bandung sebanyak 32 siswa. Teknik pengumpulan data yang di gunakan adalah tes tulis Kemampuan Berpikir Kreatif yang berbentuk essay. Hasil penelitian dapat disimpulkan bahwa indikator kemampuan Berpikir luwes (Flexibility) yaitu mampu memberikan gagasan, pertanyaan atau jawaban yang bervariasi dengan persentase sebesar 81,%; indikator kemampuan Berpikir orisinal (Originality) yaitu mampu memberikan ungkapan baru dan ide yang unik dengan persentase sebesar 70,%; Indikator kemampuan Berpikir Lancar (Fluency) yaitu mampu menghasilkan ide, jawaban, penyelesaian masalah atau pertanyaan yang lancar sebesar 55%; indikator kemampuan Berpikir orisinal (Originality) yaitu mampu memberikan ungkapan baru dan ide yang unik sebesar 61% dan indikator kemampuan Berpikir elaborasi (Elaboration) yaitu mampu merinci dan mengembangkan suatu objek sebesar 26%.

Authors:Dewi Suhika, Wamiliana Wamiliana Abstract: This study aims to determine the minimum spanning tree of a complete graph K_n with weight constraints and completion using the cutting plane method. The cutting plane method is one of the algorithms included in the exact method. This algorithm works by reducing the solution area so that it becomes narrower. As a result, the feasible solutions that will be investigated become less and less. This is because the cutting plane method works based on the optimal linear programming solution of relaxation solved by the simplex method. In this paper we give illustration of the algorithm applied for two cases, one for K_4 and one for K_5. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1353 Issue No:Vol. 7, No. 1 (2018)

Authors:ira vahlia Abstract: This study aims to decide the effect of learning models on the ability to solve mathematical problems seen from student learning motivation. Learning model used is FSLC and conventional learning model. This type of research is a quasi experiment. The population in this research is the students of class VIII SMP N 1 Trimurjo academic year 2017/2018. The sample of this research is taken by using cluster random sampling technique with sample in experiment class as much as 32, and control class counted 31. The result of this research are as follows: 1) There is difference of problem solving ability between student learning by using FSLC learning model and model of learning conventional. 2) Problem-solving abilities in highly motivated students are better than those with moderate motivation and problem-solving skills in better-motivated students than low motivated students. 3) There is no interaction between FSLC and conventional learning model and learning motivation toward math problem solving ability. The FSLC learning model provides better mathematical problem-solving skills than conventional learning models in both high and medium motivations. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1355 Issue No:Vol. 7, No. 1 (2018)

Authors:Muncarno Muncarno, Nelly Astuti Abstract: The problem in this research is the low of mathematics learning result of grade V student of SD Negeri 6 Metro Utara. The purpose of this research was to know the influence of realistic mathematics education (RME) approach to the result of V grade student mathematics. The type of the research was experiment research. The design used in this research was quasi experimental design. Population research is all of students V grade, the sample consists 26 students VA class and 27 student VB class. The determination of research sample used purposive sample. Data collection tools used questionnaires and cognitive tests. The data analysis was used t-test pooled varians. The learning results of this research was limited only to the cognitive domain. The result showed that there was a significant influence on the application of realistic mathematics education (RME) approach to the students' mathematics learning outcomes. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1356 Issue No:Vol. 7, No. 1 (2018)

Authors:Yunis Sulistyorini, Dian Fitri Argarini, Nok Izatul Yazidah Abstract: Error analysis is integral part of mathematics learning. This qualitative research aims to describe the types and causes of student error in solving combinatorics problem based on cognitive style. Subjects are high school students with field independent (FI) and field dependent (FD) cognitive style. Error analysis refers to Newman's error analysis. FI and FD students have same errors that is comprehension error at stage of understand problem; process skills error and encoding error at the stage of carrying out the plan. The cause of the error is viewed from the cognitive factors, namely understanding students' concepts in solving problems. FI students have a deeper understanding and make careless error while the FD students have a lack of understanding of the concept which cause more error. The cause of errors in both students is also due to the accumulation of errors at stage of understand problem. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1360 Issue No:Vol. 7, No. 1 (2018)

Authors:dwi ivayana sari, I Ketut Budayasa, dwi juniati Abstract: This study is aimed to analyze probabilistic thinking of elementary school students based on math ability and gender differences. Descriptive explorative approach was used to describe in depth probabilistic thinking of boys with high, middle, low math ability and girls with high, middle, low math ability. The result showed that probabilistic thinking of boy with high math ability indicated multistructural because his thinking quantitative and proportional. While probabilistic thinking of boys with middle, low math ability and girls with high, middle, low math ability indicated unistructural because their thinking quantitative and non proportional. Beside that, boys’ thinking in solving probability tasks was more analytical and flexible than girls’ thinking. So, students with math ability difference, gave difference response in solving probability tasks. This result found new strategy in solving probability comparison task. This result could contribute to curriculum developer to introduce probability in elementary school level and teachers could use discussion method in teaching probability material. PubDate: 2018-06-04 DOI: 10.24127/ajpm.v7i1.1344 Issue No:Vol. 7, No. 1 (2018)