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Union: Jurnal Ilmiah Pendidikan Matematika
Published by Universitas Sarjanawiyata Tamansiswa
ISSN : 2339224X     EISSN : 25793209     DOI : https://doi.org/10.30738/union
Core Subject : Education,
Education Mathematics
Union: Jurnal Ilmiah Pendidikan Matematika is a peer-reviewed open access journal published three times in a year (March, July, and November). Union: Jurnal Ilmiah Pendidikan Matematika provides a forum for lecturers, academicians, researchers, practitioners, and students to deliver and share knowledge in the form of empirical and theoretical research articles. The scope of Union is Mathematics Education which includes, but is not limited to the following topics: Mathematics Ability, Mathematics Learning Model, Mathematics Learning Media, Curriculum Development, Assessment and Evaluation, Didactical Design Research (DDR), Realistic Mathematics Education (RME), Ethnomathematics, Research and Development (RnD), PISA Task.
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Articles 14 Documents
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Search results for , issue "Vol 8 No 3 (2020)" : 14 Documents clear
Kesalahan dalam Menyelesaikan Soal Matematika Siswa Kelas X IPA SMA Taman Madya Ibu Pawiyatan Yogyakarta Wae, Sebastianus; Arigiyati, Tri Astuti; Ayuningtyas, Annis Deshinta
UNION: Jurnal Ilmiah Pendidikan Matematika Vol 8 No 3 (2020)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v8i3.8816

Abstract

ABSTRAK Penelitian ini bertujuan untuk mengetahui persentase kesalahan konsep, persentase kesalahan prosedur, persentase kesalahan komputasi, dan jenis kesalahan mana yang paling banyak dilakukan siswa kelas X IPA SMA Taman Madya Ibu Pawiyatan Yogyakarta. Objek penelitian ini adalah kesalahan siswa dalam menyelesaikan soal matematika pokok bahasan perbandingan trigonometri pada segitiga siku-siku. Jenis penelitian ini termasuk deskriptif kualitatif. Teknik pengumpulan data menggunakan teknik tes dan wawancara. Instrumen berupa 5 soal bentuk uraian. Dari 5 soal tersebut dinyatakan sangat valid dan sangat reliabel. Hai penelitian menunjukkan bahwa siswa kelas X IPA SMA Taman Madya Ibu Pawiyatan Yogyakarta melakukan kesalahan konsep sebesar 44,8% dengan kategori cukup, melakukan kesalahan prosedur sebesar 71,5% dengan kategori tinggi, melakukan kesalahan komputasi 48,1% dengan kategori cukup, dan kesalahan yang  paling banyak dilakukan adalah kesalahan prosedur sebesar 71,5% dengan kategori tinggi. Guru membiasakan siswa untuk menuliskan apa yang diketahui dan apa yang ditanya ketika menyelesaikan soal matematika. ABSTRACTThis study aims to determine the percentage of concept errors, procedural errors, computational errors, and to find out the most common mistakes made by students in solving math problems in class X IPA of Taman Madya High School Ibu Pawiyatan Yogyakarta Academic Year 2019/2020.The object of this research is the students' mistake in solving math problems. This type of research is descriptive qualitative. Data collection techniques using the test interview techniques and techniques. Test instrument in the form of test description 5 question. Of the five questions stated valid and reliable. The results showed thatgrade X science students at Taman Madya High School Ibu Pawiyatan made a concept mistake on average by 44,8% with enough categories,the average procedural error was 71,5% with a high category, and the computational error rate was up to 48,1 ℅ with a sufficient category. The most common type of mistake students make in completing a math problem is a procedural error of 71.5 ℅. It is recommended to teachers to get their students used to writing the unknown and asked when solving math problems. Students must also be accustomed to solving problems in order to emerge creativity.
Model Pembelajaran Group Investigation dengan Pendekatan 3N untuk Meningkatkan Motivasi dan Hasil Belajar Matematika Daen, Nikodemus; Istiqomah, Istiqomah; Arigiyati, Tri Astuti
UNION: Jurnal Ilmiah Pendidikan Matematika Vol 8 No 3 (2020)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v8i3.8817

Abstract

ABSTRAK Tujuan penelitian ini mendeskripsikan model Group Investigation (GI) dengan pendekatan 3N (Niteni, Nirokke, Nambahin) dapat meningkatkan motivasi dan hasil belajar matematika siswa Kelas X MM SMK Pawiyatan Tamansiswa Yogyakarta. Penelitian ini termasuk jenis penelitian Tindakan kelas. Sampel penelitiannya siswa kelas X MM dengan jumlah 11 siswa. Objek dalam penelitian ini adalah motivasi dan hasil belajar matematika, diperoleh dari pembelajaran matematika dengan menggunakan model pembelajaran GI dengan pendekatan 3N. Hasil penelitian ini menunjukkan model pembelajaran GI dengan pendekatan 3N, motivasi dan hasil belajar matematika meningkat dari pra siklus ke siklus I dan siklus II. Rata-rata persentase indikator motivasi pra siklus 73,41, siklus I 74,57 dan pada siklus II 79,59. Rata-rata nilai pra siklus  69,27, siklus I  78,71, dan 84,66 pada siklus II. Pada pra siklus KKM siswa mencapai 45.45% pada siklus I 63,64%, dan 81,82% pada siklus II. Sehingga model GI dengan pendekatan 3N dapat meningkatkan motivasi dan hasil belajar matematika.                            ABSTRACTThe purpose of this study is to describe the Group Investigation (GI) model with the 3N approach (Niteni, Nirokke, Nambahin) which can improve motivation and mathematics learning outcomes of class X MM SMK Pawiyatan Tamansiswa Yogyakarta. This research is a type of classroom action research. The research sample was students of class X MM with a total of 11 students. The objects in this study are the motivation and learning outcomes of mathematics, obtained from learning mathematics using the GI learning model with the 3N approach. The results of this study indicate that the GI learning model with the 3N approach, motivation and mathematics learning outcomes increased from pre-cycle to cycle I and cycle II. The average percentage of pre-cycle motivation indicators 73.41, 74.57 in first cycle and 79.59 in second cycle. The average pre-cycle value was 69.27, in the first cycle 78.71, and 84.66 in the second cycle. In the pre-cycle KKM students reached 45.45% in the first cycle 63.64%, and 81.82% in the second cycle. So that the GI model with the 3N approach can increase motivation and mathematics learning outcomes.
Pengembangan Media Pembelajaran berbasis Instagram pada Pokok Bahasan Grafik Fungsi untuk Siswa SMA Novianti, Eka Wahyuni; Arcana, I Nyoman; Taufiq, Irham
UNION: Jurnal Ilmiah Pendidikan Matematika Vol 8 No 3 (2020)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v8i3.8820

Abstract

 ABSTRAKTujuan penelitian adalah untuk mengembangkan media pembelajaran menggunakan Instagram pada mata pelajaran matematika materi grafik fungsi untuk siswa SMA dan mengetahui kelayakan dari media pembelajaran yang dibuat. Jenis penelitian yang digunakan adalah Research and Development (R&D) dengan model penelitian dari ADDIE yang terdiri dari 5 tahap yaitu: Analysis, Design, Development, Implementation, and Evaluation. Subjek penelitian ini adalah 36 siswa kelas X MIPA 1 SMA Negeri 1 Minggir. Teknik pengumpulan data menggunakan angket validasi ahli, angket respon siswa, dan tes hasil belajar. Teknik analisis data secara deskriptif kualitatif. Berdasarkan hasil validasi ahli, media pembelajaran Instagram yang dibuat dinyatakan layak digunakan digunakan dan termasuk kategori sangat valid dengan rerata 4,23. Dari hasil respon siswa diperoleh bahwa media pembelajaran Instagram layak digunakan dalam pembelajaran dan termasuk dalam kategori valid dengan rerata 3,47. Penilaian hasil belajar siswa menunjukkan bahwa jumlah siswa yang memenuhi KKM adalah 34 siswa atau 94,44%. Hal ini menunjukkan bahwa media pembelajaran yang dikembangkan efektif digunakan dalam pembelajaran. ABSTRACTThe research objectives are to develop learning media using Instagram on mathematics subject matter graphic functions for high school students and knowing the feasibility of learning media created. The type of research used is Research and Development (R&D) with a research model from ADDIE consisting of 5 stages, namely: Analysis, Design, Development, Implementation, and Evaluation. The subjects of this study were 36 students of class X MIPA 1 of SMA Negeri 1 Minggir. Data collection techniques using expert validation questionnaires, student response questionnaires, and learning achievement tests. The data analysis technique is descriptive qualitative. Based on the results of expert validation, Instagram learning media that were made were declared suitable for use and included in the category of very valid with a mean of 4.23. From the results of the students' responses, it was found that Instagram learning media was appropriate to be used in learning and included in the valid category with an average of 3.47. Assessment of student learning outcomes shows that the number of students who meet the KKM is 34 students or 94.44%. This shows that the learning media developed are effectively used in learning.
Pengembangan Media Pembelajaran Berbasis Media Sosial Instagram pada Pokok Bahasan Limit dan Kontinuitas Savina, Niyang Hendras; Arcana, I Nyoman; Ayuningtyas, Annis Deshinta
UNION: Jurnal Ilmiah Pendidikan Matematika Vol 8 No 3 (2020)
Publisher : Universitas Sarjanawiyata Tamansiswa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30738/union.v8i3.8835

Abstract

ABSTRAKPenelitian ini bertujuan untuk mengembangkan media pembelajaran berbasis media sosial Instagram yang dapat digunakan dalam pembelajaran pada materi Limit dan Kontinuitas, dan mengetahui kelayakan media pembelajaran yang dibuat. Penelitian ini merupakan penelitian pengembangan dengan model ADDIE yang melalui 5 tahapan  yaitu Analysis, Design, Development, Implementation, dan Evaluation. Penelitian dilaksanakan di SMA Negeri 1 Ngemplak dengan subjek siswa kelas XII MIPA 2 berjumlah 31 peserta didik. Teknik pengumpulan data menggunakan angket validasi, angket respon  peserta didik dan tes hasil belajar. Teknik analisis data secara deskriptif kualitatif dan kuantitatif. Hasil penelitian ini adalah produk video pembelajaran Kalkulus yang disajikan melalui Instagram dengan nama ‘Matematika.Asik’. Hasil kelayakan menunjukkan bahwa media pembelajaran yang dibuat ini layak digunakan. Selain itu, diperoleh hasil korelasi yang positif dan signifikan antara skor angket uji coba dengan skor tes hasil belajar.  ABSTRACTThis study aims to develop Instagram social media-based learning media that can be used in learning on Limit and Continuity, and to determine the feasibility of the learning media created. This research is a development research using the ADDIE model through 5 stages, namely Analysis, Design, Development, Implementation, and Evaluation. The research was conducted at SMA Negeri 1 Ngemplak with the subject of 31 students of class XII MIPA 2. Data collection techniques used validation questionnaires, student response questionnaires and learning outcomes tests. The data analysis technique is descriptive qualitative and quantitative. The result of this research is the product of the Calculus learning video that is presented on Instagram with the name 'Mathematics Asik'. The results of the feasibility show that the learning media made are suitable for use. In addition, the results obtained a positive and significant correlation between the test questionnaire scores and the learning outcome test scores. 

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