Tri Nova Hasti Yunianta, Tri Nova Hasti
Universitas Kristen Satya Wacana
Articles
21
Documents
The Development of Borad game “The Adventure Of Algebra” in The Senior High School Mathematics Learning

Al-Jabar: Jurnal Pendidikan Matematika Vol 9, No 2 (2018): Al-Jabar: Jurnal Pendidikan Matematika
Publisher : Raden Intan State Islamic University of Lampung, INDONESIA

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Abstract

Algebra has an important meaning in Senior High School learning. It needs to be combined by the interesting practice questions, with that reason, this research will develop a board game learning media that can be used in Algebra learning. The research aims to develop a board game learning media that is valid, practical, and effective as a means of training questions in Algebraic material. The research uses the ADDIE development model which consists of steps Analyze, Design, Development, Implementation, and Evaluation. This media is a set of the modified game from monopoly games. This media is named The Adventure Of Algebra, and has been tested on 34 class VIII C students of SMP Negeri 1 Ambarawa. The instruments of data collection technique in the research consisted of instruments for validating material and media aspects, practicality assessment instruments, student opinion instruments, and posttest pretest instruments. The Media of  board games have been declared valid from the aspect of material experts with a score of 95% and valid from media experts with a score of 96%, both of which are very good categories. The results of practicality assessment get a score of 90% in the very good category. The results of the pair t-test data that show the sig value. (2-tailed) produced from the pretest and posttest data is written 0,000 which means that the significance value is close to zero which is less than 0.05 with the posttest average value (67) higher than the average pretest (50.5). So that the media is effective to be used as a means of training Algebra questions at the junior high school level. 

Efforts to Improve Math Learning Result of Fourth Grade Students Through Contextual Model Teaching and Learning with Cuisenaire Rods Media

Scholaria: Jurnal Pendidikan dan Kebudayaan Vol 7 No 2 (2017)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Kristen Satya Wacana

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Abstract

        The purpose of this research is to improve students learning outcomes in mathematics learning through Contextual Teaching and Learning (CTL) model with Cuisenaire Rods media in grade IV Dukuh 03 Salatiga Elementary School semester II year 2015/2016. This research was conducted to help teachers who still used conventional methods and had not yet maximized learning media in the classroom. This research is a classroom action research that consists of two cycles. Each cycle consists of four phases: planning, implementation, observation, and reflection. The subjects of this study were 26 students. Data collection techniques used in this study were observation, testing, and documentation. The instruments used were test items, the student activity and teacher observation sheet. Data analysis was performed by using a comparative descriptive analysis by comparing the results of pre-cycle, the first cycle, and the second cycle. The indicator of success in this study was that 75% students reaching the score of ≥ 64. The research showed an increase in the value of the average grade from 61.77 in the pre-cycle to 78 in the first cycle and up to 85 in the second cycle. The number of students who passed the study increased from 11 students (42.31%) in the pre-cycle to 20 students (76.92%) in the first cycle and up to 24 students (92.31%) in the second cycle, so it can be concluded that the application of Contextual Teaching and Learning (CTL) model using Cuisenaire Rods media can improve students learning outcomes in mathematics in the area of adding and subtracting fractions with the same denominator and with different denominators. 

Pengembangan media pembelajaran berbasis website materi trigonometri siswa SMA kelas XI

Math Didactic: Jurnal Pendidikan Matematika Vol 4 (2018): Edisi Dies Natalis
Publisher : STKIP PGRI Banjarmasin

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Abstract

Penelitian ini bertujuan untuk menghasilkan media pembelajaran berbasis website materi trigonometri. Subjek penelitian ini adalah siswa SMA kelas XI. Jenis penelitian ini adalah Research and Development. Model pengembangan yang digunakan adalah ADDIE dengan tahap analyze, design, development, implementation, dan evaluation. Media pembelajaran website telah melalui uji validasi dari aspek materi mencapai skor rata-rata 4,0 dengan kategori valid dan dari aspek tampilan mencapai skor rata-rata 4,1 dengan kategori valid. Media juga telah melalui uji penilaian kepraktisan mencapai skor rata-rata 4,2 dengan kategori praktis. Media diujicobakan dengan skala kecil dan memperoleh respons yang positif. Setelah melakukan uji coba, subjek mengalami peningkatan nilai kognitif dari nilai rata-rata 37,4 menjadi 76,8. Dapat disimpulkan bahwa media pembelajaran website yang telah dikembangkan valid, praktis, dan efektif untuk digunakan dalam pembelajaran.

Profil Berpikir Geometri Siswa Tunagrahita Berdasarkan Tingkatan Van Hiele Di SMPLB Negeri Salatiga

Kreano, Jurnal Matematika Kreatif-Inovatif Vol 8, No 1 (2017): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Sema

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Abstract

Jenis penelitian ini adalah deskriptif kualitatif yang bertujuan untuk mengetahui bagaimana profil berpikir geometri siswa tunagrahita berdasarkan tingkatan berpikir van Hiele. Subjek dalam penelitian ini adalah tiga orang siswa yang terdiri masing-masing satu siswa dari kelas VII, VIII dan IX SMPLB C Negeri Salatiga. Penelitian ini dilakukan melalui wawancara semi terstrukur. Hasil dari penelitian yang dilakukan, ketiga siswa cenderung memiliki kemampuan yang sama dalam berpikir geometri. Ketiga siswa dapat mencapai tingkat 1 (visualisasi) berdasarkan tingkat berpikir geometri van Hiele, namun terbatas pada bentuk-bentuk bangun geometri yang dipahami atau dikenalnya. Siswa belum dapat melakukan analisis pada tingkat 2 dan hanya sebatas mengetahui sebagian komponen pada bangun segiempat serta menamainya menggunakan bahasanya sendiri yang tidak baku. Selain itu siswa mengetahui beberapa istilah yang ada pada bangun segiempat, namun tidak mengetahui maksud dari istilah-istilah tersebut. Kendala dan masalah yang dihadapi ketiga siswa yaitu lebih cenderung memperhatikan pada bangun-bangun yang dikenalnya, kurang cermat dan teliti dalam menggambar, kesulitan dalam menjelaskan atau mendeskripsikan secara lisan suatu bangun segiempat dan hanya terbatas pada bangun yang diketahuinya, hal tesebut karena siswa tidak banyak mengenal macam-macam bangun.This research is a qualitative descriptive which aims to determine how the profile geometry students think retarded by van Hiele levels of thinking. Subjects in this study were three students who comprised each of the students of class VII, VIII and IX SMPLB C State Salatiga. This research was conducted through semi-structured interviews. The results of the research conducted, the three students tend to have the same ability to think geometry. All three students can reach level 1 (visualization) based on the geometry of the van Hiele levels of thinking, but limited to the forms of geometry understood or known. Students have not been able to perform the analysis at 2 and merely knowing some components in the wake of the quadrilateral and named him use his own language is not standardized. In addition, students know some of the terms that exist in the wake of the quadrilateral, but do not know the purpose of these terms. Constraints and problems faced by the three students are more likely to pay attention in the wake familiar, less meticulous in drawing, difficulty in explaining or describing verbally a wake quadrilateral and confined to the waking knew, tesebut because students do not know a lot of Miscellaneous wake.

PENGEMBANGAN HANDOUT PEMBELAJARAN TEMATIK UNTUK SISWA SEKOLAH DASAR KELAS III

Scholaria: Jurnal Pendidikan dan Kebudayaan Vol 4, No 3 (2014)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Kristen Satya Wacana

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Abstract

Bahan ajar yang sering digunakan siswa di sekolah adalah Lembar Kerja Siswa (LKS) karena harganya yang ekonomis dan relatif terjangkau. Banyak sekolah yang hanya menggunakan Lembar Kerja Siswa (LKS) saja tanpa adanya handout atau buku penunjang sebagai pegangan siswa sehingga bahan ajar yang dapat digunakan anak belajar secara mandiri kurang dalam proses pembelajaran. Penelitian ini bertujuan untuk menghasilkan produk bahan ajar berupa handout pembelajaran tematik gambar seri untuk siswa sekolah dasar kelas III pada materi keliling dan luas persegi dan persegi panjang yang valid, efektif dan praktis. Penelitian ini merupakan jenis penelitian R&D (Research and Development). Penelitian ini mengacu pada model desain sistem pembelajaran ADDIE, yaitu: analysis, design, development, implementation, dan evaluation. Instrumen yang digunakan untuk memperoleh data pembuatan dan kualitas handout, yaitu: lembar penilaian handout, lembar pendapat siswa, wawancara guru, dan pretest-postest. Keberhasilan pembuatan produk ini ditinjau dari segi valid, efekif, dan praktis. Hasil penelitian menyatakan: (1) valid yang ditunjukkan dalam dua aspek yaitu (a) aspek materi yang memperoleh persentase penilaian 78,66% menunjukkan kategori kualitatif baik (B), (b) aspek tampilan memperoleh persentase penilaian 80% menunjukkan kategori kualitatif sangat baik (SB); (2) Efektif yang dinilai berdasarkan (a) uji ketuntasan klasikal yang menunjukkan thitung = 5,148 dengan taraf  signifikan  5%  dan dk = (n-1) = 33 diperoleh nilai ttabel = 1, 697, maka thitung > ttabel sehingga dapat disimpulkan rata-rata hasil belajar siswa melampaui KKM (b) persentase ketuntasan postest  banyak siswa yang lulus KKM sekolah yaitu 79,412% siswa; (3) Praktis yang ditentukan oleh (a) penilaian observer memperoleh persentase penilaian 87% menunjukkan kategori kualitatif sangat baik (SB), (b) handout memperoleh respon positif siswa dalam penggunaannya pada pembelajaran matematika. Pembelajaran dengan menggunakan produk ini menjadi lebih menyenangkan dan membuat siswa menjadi aktif. Produk ini selain berisi gambar-gambar yang sesuai dengan dan tema yang berkaitan dengan lingkungan rumah juga di dalam materi yang disajikan diberikan proses terbentuknya suatu rumus sehingga siswa dapat belajar secara runtut tentang rumus yang diperoleh.

Scholaria: Jurnal Pendidikan dan Kebudayaan Vol 7, No 2 (2017)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Kristen Satya Wacana

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Abstract

Membangun Kreativitas dan Sikap Profesional Mahasiswa Calon Guru Matematika pada Mata Kuliah Simulasi Mengajar

Scholaria: Jurnal Pendidikan dan Kebudayaan Vol 8 No 1 (2018)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Kristen Satya Wacana

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Abstract

The purpose of this qualitative descriptive research is to describe the professional attitude and creativity building of mathematics student teachers during the microteaching course. The study was conducted on May 8, 2017 until June 23, 2017. There were 17 students from Mathematics Education Study Program, Faculty of Teacher Training and Education, Satya Wacana Christian University. Data collection techniques used the observation methods, open questionnaires, and documentation. The training is to build a professional attitude, begins with the exercise of disciplinary rules in which the student must arrive on time, wear the appropriate shirts as the faculty suggested, collect the tasks of the learning device on time, and for later attire, students have to wear white shirts, black trouser/ long skirt, blazer, pantofel boots, and a tie for both male and female, except the ones with hijabs. The training to build students creativity begins by creating an exciting way of learning, planning the contents of learning with contemporary models that are currently developing, making closing activities in accordance with selected learning models, making lesson plans equipped with presentation slide with specific slide limits, creating a worksheet that can keep students active with certain page number limitation, then students may create additional other learning medias. Performing those attitude, blended with well-designed stages, the students can feel there is a change in themselves. Changes in attitudes and experiences experienced by students in this learning are the focus of this qualitative research description.

DEVELOPMENT AND COMPARISON OF MATHEMATIC MOBILE LEARNING BY USING EXELEARNING 2.0 PROGRAM AND MIT INVENTOR 2

Jurnal Infinity Vol 8, No 1 (2019): Volume 8 Number 1, Infinity
Publisher : STKIP Siliwangi Bandung

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Abstract

Mathematics mobile learning influences student learning outcomes. Making this application need skills and also the appropriate programs. The first goal in this study is to develop valid and effective mathematics mobile learning. The second goal in this study if using two different programs it would get the same or different results, is it different between the two applications made with different programs? This type of research is research and development (R & D). The first application research subjects were mathematics teachers and 8th grade students of Junior High School in Salatiga consisted of 28 students and the subjects in this study were divided into two, namely students in the 8G class who used the mobile learning application and who did not use it and this study was conducted in the second semester academic year 2014/2015. The second application research subject was 10th-grade students of Senior High School in Salatiga, consisted of 24 students. This research was conducted in the second semester of the academic year 2015/2016. The first application development model was using ASSURE Model and developed with ExeLearning program, while the second application used the ADDIE Model and developed with MIT Inventor 2 program. Data on learning outcomes were obtained by giving initial tests and final tests. Data were analyzed using N-gain enhancement test. The mathematics mobile learning application used the ExeLearning 2.0 program to obtain validation results with very good criteria for the display and material sections while for the improvement of student learning outcomes in the high category amounting to 0.7. The second mathematics mobile learning application obtained very good display validation results and for the material section in the good category, while the increase in learning outcomes obtained an increase in the high category which was 0.71. Both of these applications possessed differences and the characteristics of mobile learning applications also depend on which software is used. It has a unique impression of using the ExeLearning 2.0 application and MIT Inventor 2.

Profil Berpikir Geometri Siswa Tunagrahita Berdasarkan Tingkatan Van Hiele Di SMPLB Negeri Salatiga

Kreano, Jurnal Matematika Kreatif-Inovatif Vol 8, No 1 (2017): Kreano, Jurnal Matematika Kreatif-Inovatif
Publisher : Jurusan Matematika, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Negeri Sema

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Abstract

Jenis penelitian ini adalah deskriptif kualitatif yang bertujuan untuk mengetahui bagaimana profil berpikir geometri siswa tunagrahita berdasarkan tingkatan berpikir van Hiele. Subjek dalam penelitian ini adalah tiga orang siswa yang terdiri masing-masing satu siswa dari kelas VII, VIII dan IX SMPLB C Negeri Salatiga. Penelitian ini dilakukan melalui wawancara semi terstrukur. Hasil dari penelitian yang dilakukan, ketiga siswa cenderung memiliki kemampuan yang sama dalam berpikir geometri. Ketiga siswa dapat mencapai tingkat 1 (visualisasi) berdasarkan tingkat berpikir geometri van Hiele, namun terbatas pada bentuk-bentuk bangun geometri yang dipahami atau dikenalnya. Siswa belum dapat melakukan analisis pada tingkat 2 dan hanya sebatas mengetahui sebagian komponen pada bangun segiempat serta menamainya menggunakan bahasanya sendiri yang tidak baku. Selain itu siswa mengetahui beberapa istilah yang ada pada bangun segiempat, namun tidak mengetahui maksud dari istilah-istilah tersebut. Kendala dan masalah yang dihadapi ketiga siswa yaitu lebih cenderung memperhatikan pada bangun-bangun yang dikenalnya, kurang cermat dan teliti dalam menggambar, kesulitan dalam menjelaskan atau mendeskripsikan secara lisan suatu bangun segiempat dan hanya terbatas pada bangun yang diketahuinya, hal tesebut karena siswa tidak banyak mengenal macam-macam bangun.This research is a qualitative descriptive which aims to determine how the profile geometry students think retarded by van Hiele levels of thinking. Subjects in this study were three students who comprised each of the students of class VII, VIII and IX SMPLB C State Salatiga. This research was conducted through semi-structured interviews. The results of the research conducted, the three students tend to have the same ability to think geometry. All three students can reach level 1 (visualization) based on the geometry of the van Hiele levels of thinking, but limited to the forms of geometry understood or known. Students have not been able to perform the analysis at 2 and merely knowing some components in the wake of the quadrilateral and named him use his own language is not standardized. In addition, students know some of the terms that exist in the wake of the quadrilateral, but do not know the purpose of these terms. Constraints and problems faced by the three students are more likely to pay attention in the wake familiar, less meticulous in drawing, difficulty in explaining or describing verbally a wake quadrilateral and confined to the waking knew, tesebut because students do not know a lot of Miscellaneous wake.

Pengembangan Kartu Domano (Domino Matematika Trigono) Sebagai Media Pembelajaran Pada Matakuliah Trigonometri

Scholaria: Jurnal Pendidikan dan Kebudayaan Vol 9 No 1 (2019)
Publisher : Program Studi Pendidikan Guru Sekolah Dasar, Universitas Kristen Satya Wacana

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Abstract

This research aims is to develop a learning media called Domano Card, that is an abbreviation  from Trigono mathematics Dominoes. This media is expected to be valid, effective, and practical to be used as a learning tool for Trigonometry Courses in the college. It is consists of three sets of Domano cards, game boards, and game rules. This Domano Card contains of the pairs of questions and answers. This research type is Research Development (R&D) with ADDIE model (Analyze, Design, Development, Implementation, Evaluate). The subject of this research is 64 active students of Mathematics Education, Satya Wacana Christian University in Trigonometry course. Domano cards are developed based on the students’ learning styles. Validity test was done by 2 validators, there are media experts and material experts It has obtained media feasibility result of 98.71% with very decent category and the result of material feasibility of 92.5% with very decent category. The effectiveness test was done by Paired Samples t-test with SPSS 17. It is indicated that there is a significant differences after the use of Domano Card with the mean value improvement from 57 to 73. The respondents of practicality test are lecturer of Trigonometry course and the lecturer assistant class that obtained 89% with very good category. Based on this development research, it can be concluded that Domano Card media is valid, effective, and practical use as a means of self-learning exercises for students in Trigonometry courses.