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Idealmathedu: Indonesian Digital Journal of Mathematics and Education
Published by Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika
ISSN : 24078530     EISSN : 2502602X     DOI : https://doi.org/10.53717/idealmathedu.v8i1.83
Core Subject : Education,
Mathematics
Indonesian Digital Journal of Mathematics and Education (Idealmathedu) is open-access journal which has been established for the publication of issue and innovation in the field of mathematics education. This journal is published by PPPPTK Matematika Ministry of Education, Culture, Research and Technology Republic of Indonesia.
Arjuna Subject : Matematika - Matematika (Lain-Lain)
Articles 9 Documents
 1 
Search results for , issue "Vol 6 No 2 (2019)" : 9 Documents clear
Model Pictorial sebagai Representasi Menyelesaikan Soal Cerita Matematis Agus Prianto
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.28

Abstract

This paper presents a study of the Pictorial model as a mathematical representation in solving mathematical words problem. The ability of mathematical representation is an important key for students in solving mathematical words problems and being successfull in mathematics learning. Therefore, this ability should be emphasized, developed and owned by students in learning mathematics. The Pictorial Model can be used as a first step in representing and simultaneously modeling/illustrating the purpose of a mathematical words problem. This Pictorial model approach combined with basic algebraic concepts is expected to be able to assist all students in understanding as well as solving mathematical description problems in which usually students find them difficult. In this way, students can ultimately develop their competencies and mathematical abilities optimally.
Meningkatkan Keaktifan dan Hasil Belajar Materi Himpunan melalui Model Pembelajaran Jigsaw Berbantuan Android Ani Amimah
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.33

Abstract

This study aims to improve the activeness as well as mathematics learning achievement on sets topic through the Jigsaw learning model, grade VII B students of SMP Negeri 12 Semarang odd semester of 2018/2019 academic year. The research process consists of two cycles, in which each cycle covers for steps namely planning, action, observation and reflection. The research data were in the form of observation sheet notes, test results, and assignment results. The type of collected data is qualitative and quantitative data. Technique of data collection applies documentation, observation and analysis of learning results. Research instruments cover score list, notes of teaching and learning journal, and observation sheet. Data validation is done by involving observer and colleagues involved during the collaboration. Data analysis was performed using descriptive comparative technique by comparing pre, first and second cycle data. This step was then followed with critical analysis by conducting the reflection. Previously, the average knowledge score of grade VII B students on set topic was 55, while the average skill score was 56. Later on, after the jigsaw learning model was applied, average of the knowledge score increased to 65.6 at the first cycle, and 81.3 at the second cycle. Meanwhile the average of skill score was increased to 71.9 at the first cycle and 83.6 at the second cycle. These results indicate that there is an increase at the mathematics learning achievement for grade VII B students. In addition, students’ activities are increasingly optimal; they show quite positive responses towards teaching and learning activity.
Metode Tutor Sebaya Berbantuan Whatsapp untuk Meningkatkan Hasil Uji Coba Ujian Nasional di SMK Negeri 1 Tanjungpandan Yuli Yulianti
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.57

Abstract

National Examination is one of the learning results assessment set by the Government, and is ruled at Minister of Education and Culture regulation Number 4 year 2018. The problem discussed in this study is the low percentage of students achieving Graduare Competence Standard/SKL 55 in the nationale examination tryout for mathematics. One of the alternatives to solve this problem is the Peer Tutoring learning method using Whatsapp Messenger application asisstance, in which the subject is grade 12 AP students of SMK Negeri 1 Tanjungpandan academic year of 2018/2019. The research method implemented is the classroom action research. The peer tutoring learning method using Whatsapp Messenger application asisstance was carried out both inside and outside the classroom by providing a smaller member whatsapp group and a classroom whatsapp group. Each small group consists of 6 people in which there were 1-2 peer tutors. Based on the results of data analysis and discussion, there was an increase at the results of the tryout of mathematics national exam tryout for grade 12 AP students after peer tutoring learning method using whatsapp messenger application asisstance was applied, with the total increase up to 50%. This fact can be inferred from the difference of the test results percentage for the first tryout and the third tryout which is from 10% to 60%, while the average score is increased from 34.96 to 60.22 by 25.26 points.
Perbedaan Self Confidence Siswa antara Creative Problem Solving dan Discovery Learning Ditinjau dari Gender Ahmad Isnaini; Edy Surya
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.87

Abstract

This study aims to see the differences in students' self confidence between students with the treatment of the creative problem solving learning model and the discovery learning model analysed based on gender. The data analysis was done using two-way Anava with different number of cell to see the effect of gender and learning models on students' self confidence. After the effect of gender and the learning model was found, a further post-Anova test using Scheffe method was executed. This analysis shows the following results: gender has an influence on students' self confidence as well as there is an influence of the learning model on students' self confidence, there is no interaction between gender and learning models on students' self confidence. When a post-Anova test with Scheffe's method was applied, it is found that there are differences in students' self confidence between the creative problem solving model and the discovery learning model. Female students have better self confidence than male students , while the creative problem solving model provides better self confidence than discovery learning model.
Pengembangan Catur SPLDV untuk Membantu Siswa dalam Menyelesaikan Sistem Persamaan Linier Dua Variabel Arie Wibowo
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.91

Abstract

Learning mathematics aims to make students able to solve problems they will face in the future. This can be hampered if students have difficulty in learning. Difficulties experienced by students in solving system of linear equations material, namely difficulties to carry out procedures in determining the completion. In learning, the teacher has not used teaching aids to overcome student difficulties. Teaching aids can be an alternative solution to determine the completion of system of linear equations. This study aims to produce teaching aids that can help students to determine the solution. The type of research applied was a 4D model development research. To produce good teaching aids, valid tests, practical tests and effective tests were carried out. In this study, the produced teaching aid is called “Catur SPLDV”. The validity test result of the teaching aid was 3.59 with very valid criteria. The practicaliy test result of Catur SPLDV was 86.67%; very practical criteria. While the effective test result is 0.73 with high criteria analyzed using the normalized-gain (n-gain) test. Catur SPLDV is used to help students to determine the solution of linear equations system of two-variable using the concept of Cartesian coordinates and number patterns. It can be used while playing a game, and containing a little algebraic elements making it easier for students to determine the solution of system of linear equations with two-variable.
Pengaruh Model Problem Based Learning (PBL) terhadap Peningkatan Kemampuan Koneksi Matematis Siswa Hafsah Adha Diana
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.98

Abstract

This study aimsto analyze the effect of PBL and direct learning model towards improvement of mathematical connection ability, anlysed based on the initial mathematics ability of senior high school students at North Bekasi. This is a quasi experiment research. The treatment of PBL model was applied to the experiment class, while the controling class applied a direct learning model. The population of this study was the students of SMA Negeri 4 Kota Bekasi grade XI IPA academic year 2016/2017 whic was a normal population consisting of homogenous students. The instruments used consisted of mathematical connection ability test, initial mathematical ability test. Prior to the aplication, the instrument has passed the test of content validity, construct validity, and empirical validity. Data analysis was done using two-way Anava test and t-test. Based on the research results, it is found that: (1) improvement of student’s mathematical connection ability given PBL model treatment is higher than those direct instruction models was applied. (2) there is an interaction between the learning model and the initial mathematical ability to improve students' mathematical connection ability. (3) the improvement of mathematical connection ability of students with high mathematics initial ability to whom PBL model was applied is higher compared to students who got direct learning model treatment.
Pembelajaran Berbasis Proyek Menggunakan Senam Transformasi dan Tetris Geogebra untuk Meningkatkan Kemampuan Berpikir Kreatif Siswa Muhammad Abror
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.99

Abstract

The ability to think creatively is an important ability in mathematics to deal with the demands of the 21st century. One learning model that can improve students' mathematical creative thinking skills is Project Based Learning. This study aims to determine the improvement of students' mathematical creative thinking abilities through Project Based Learning using Transformation Gymnastics and Tetris GeoGebra. Research instruments used in this study is a test in the form of description, consisting of pretest and posttest that measures the ability of mathematical creative thinking including fluency, flexibility, originality, and elaboration. Data analysis includes tests of normality, homogeneity, and t-test using SPSS application assistance. The results showed that there was a significant increase in the value of students' creative thinking abilities, both in classrooms with Project Based Learning using Transformation Gymnastics and in classrooms with Project Based Learning using Tetris GeoGebra. There was no significant difference between the average posttest in the two classes. Thus, the two project tasks used in this Project Based Learning can be used in learning Transformation material.
Peningkatan Hasil Belajar Matematika melalui Penerapan Model Pembelajaran Discovery Learning Berbantuan LKPD Nila Sari Latif
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.100

Abstract

This study aims to identify the improvement in mathematics learning achievement for students of grade VIII A at SMPN 9 Marusu by applying discovery learning models using LKPD. Subjects of this study were 26 students of grade VIII A SMPN 9 Marusu academic year of 2018/2019. This study is a classroom action research conducted in two cycles in which consisting of several stages, namely planning, implementation, observation and evaluation as well as reflection. Data collection method applied were students’ learning achievement test conducted at the end of each cycle, observation, reflection, documentation and student responses. The collected data were analyzed using quantitative and qualitative method. The achievement achieved after the discovery learning models using LKPD was applied are: (1) in cycle I, the average score of mathematics learning achievement of students is 61.92 increasing to 75.38 in cycle II. The deviation standard in the first cycle is 12.66 and increasing to 9.48 in the second cycle of the ideal score 100, (2) There is an increase in the frequency of student activities and student attitudes. Based on the above research achievement, it can be concluded that there is an increase in mathematics learning achievement for students of grade VIII A at SMPN 9 Marusu by applying discovery learning models using LKPD.
Penggunaan Media Damas untuk Meningkatkan Karakter dan Hasil Belajar Siswa Kelas 1 SD Negeri Sen Asen 1 Ardiyansah Yuliniar Firdaus
Idealmathedu: Indonesian Digital Journal of Mathematics and Education Vol 6 No 2 (2019)
Publisher : Pusat Pengembangan dan Pemberdayaan Pendidik dan Tenaga Kependidikan Matematika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53717/idealmathedu.v6i2.105

Abstract

This study uses a classroom action research design model Kemmis and Taggart which aims to improve the character and student learning outcomes through the use of media damas in Mathematics. The subjects of this study were the first grade students of Elementary School State 1 Sen Asen. Data collection techniques were carried out through observation and tests which were then analyzed descriptively quantitative. The results showed that the media of damas can improve: 1) the character of students marked by an increase in cycle I with a percentage of 64.2% (good criteria) increased to 82.5% (very good criteria) in the second cycle; 2) student learning outcomes are characterized by a classical increase in cycle I with a percentage of 65% (13 students) increasing to 95% (19 students) in cycle II. So it can be concluded that use of damas media can improve the character and student learning outcomes.

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