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Efektivitas Pembelajaran Kolaboratif pada Mata Kuliah Pembelajaran Matematika Berbasis Informatika Ratih Handayani
Eksponen Vol. 9 No. 2 (2019): Eksponen: Volume 9 Nomor 2 September 2019
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/eksponen.v9i2.59

This research was investigated about the effectiveness of colaborative learning on Mathematics based Informatics which aimed at probing whether the use of Colaborative Learning in Mathematic Departement of University of Muhammadiyah Kotabumi is effective to be used on Mathematics based Informatics subject. The method used was decriptive quaitative. The colaborative learning was implied on the lesson plan design and during the learning process in 8 meetings consisting of 16 students as the research sample. Based on the research result, it was found that the use of colaborative learning is effective to be used on Mathematics based informatics subject.

PENERAPAN PEMBELAJARAN KOLABORATIF PADA MATA PELAJARAN MATEMATIKA DI SMKN 1 KOTABUMI Ratih Handayani; Eka Wiwik Sulistiawati
Eksponen Vol. 9 No. 1 (2019): Eksponen: Vokume 9 Nomor 1 April 2019
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/eksponen.v9i1.131

The application of Collaborative Learning in mathematics subjects is a problem in this study. The purpose of this study was to find out how to apply collaborative learning in mathematics subjects at Kotabumi 1 Vocational School. The method used in this research is qualitative descriptive. The implementation of collaborative learning is carried out in the aspects of learning tools, teaching materials, learning media, and the implementation of learning. The implementation of learning in the classroom is carried out in 8 meetings Students who are the subject of research are students of class XI TKJ 1. Based on observations it can be concluded that the application of Collaborative learning can improve the quality of lecturers, teachers, and students to learn from each other in subjects.

PENERAPAN PEMBELAJARAN KOOPERATIF TIPE STAD BERBASIS LESSON STUDY PADA MATA KULIAH ALJABAR LINIER Ratih Handayani
Eksponen Vol. 8 No. 1 (2018): Eksponen: Volume 8 Nomor 1 April 2018
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/eksponen.v8i1.137

The Implementation of STAD based lesson study on algebra subject is the problem in this research. This research is aimed at knowing how the implementation of STAD basedlLesson study on algebra subject is. This is a descriptive qualitative research which was done in three cycles consisting of “plan, do, and see” action in each of the cycles. The research subject was the third semester students of Mathematic departement. Based on the observation result done by the research observers, it was found that the implementation of STAD based Lesson Study enabled the lecturer and the students to learn cooperatively in the teaching and learning process on Algebra subject.

PENGARUH PEMBELAJARAN TEAM GAMES TOURNAMENT TERHADAP KECERDASAN EMOSIONAL SISWA Ratih Handayani
Eksponen Vol. 7 No. 2 (2017): Eksponen: Volume 7 Nomor 3 September 2017
Publisher : Universitas Muhammadiyah Kotabumi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/eksponen.v7i2.147

This quasi experiment research was aimed to find outthe influence of interaction between cooperative learning of TGT and gender on the seventh grade of SMPN 4 Kotabumi students’ emotional intelligence. The research population was all of the seventh grade of SMPN 4 Kotabumi students in academic year 2016/2017 consisting of 163 students with the research sample of VIIA class as the experimental class taught by cooperative learning of TGT and VIIB class as the control class taught by using direct teaching and learning model. Meanwhile, the instruments used were questionnaire was used to collect the data of students’ emotional intelligence. The data analysis was done by t-test with the help of SPSS 20 after it was found that the data were normal and homogenous through normality and homogeneity test. Based on the research result, some conclusions were made as follows there is interaction influence between cooperative learning of TGT and gender on the seventh grade of SMPN4 Kotabumi students’ emotional intelligence.

Pengaruh Pembelajaran Daring Terhadap Hasil Belajar Siswa dengan Berbantu Media Macromedia Flash 8 pada Pembelajaran Matematika Materi Fungsi Komposisi dan Invers Khusnul Khotimah; Ratih Handayani; Nuri Larasanti
Eksponen Vol. 12 No. 2 (2022): Eksponen: Volume 12 Nomor 2 September 2022
Publisher : Universitas Muhammadiyah Kotabumi

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Teachers use media, like books and papers, to help students learn. Interactive media, like computers and games, can be more effective in helping students understand the material they are learning. However, at SMA Negeri 1 Abung Semuli, mathematics learning is not using technology to its fullest potential. This is because the teaching materials are not interactive, and the students have difficulty understanding the material. Schools still use media in the form of materials in PDF (Portable Document Format) format. Macromedia Flash 8 is an application for designing interactive and innovative learning materials. Research on the use of macromedia flash 8 in learning mathematics aims to determine whether there is an influence from the media on learning mathematics conducted online on learning outcomes. This research is a qualitative descriptive study using a quasi-experimental design method and the population is all students at SMA Negeri 1 Abung Semuli class X for the 2020/2021 academic year. The sample as an experimental class is class X IPS 1 students and the control class sample is Class X IPS 3. The research data is in the form of tests using multiple choice tests. The test results were analyzed using the t-test with a significant level of (Î±) = 0.05 and tcount = 2.729 and t_table = 2.016, because tcount>ttable which resulted in H0 being rejected. So that the conclusion of the results of this study is that there is an influence of online learning on student learning outcomes assisted by Macromedia Flash 8 media on mathematics learning material composition and inverse functions at SMA Negeri 1 Abung Semuli for the 2020/2020 academic year

Eksplorasi Hambatan-hambatan Siswa Dalam Memecahkan Masalah Program Linear di Sekolah Menengah Kejuruan Joko Andono; Purna Bayu Nugroho; Ratih Handayani
International Journal of Progressive Mathematics Education Vol. 2 No. 2 (2022)
Publisher : Universitas Muhammadiyah Prof. DR. HAMKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22236/ijopme.v2i2.8900

This study aims to identify the difficulties of class X students at SMK Muhammadiyah 1 Kotabumi in studying Mathematics on Linear Programming material. The type and approach in this research is a descriptive research type with a qualitative approach. The data collection techniques in this study were tests, observations, questionnaires, while data processing used the percentage formula P = f/n x 100%. From the results of the research it can be concluded that the difficulties of students in class X SMK Muhammadiyah Kotabumi in Linear Program material are the lack of understanding of students in understanding the concept of Linear Programming, often using the wrong formula and still confused in making a mathematical model, also the teacher's habits in learning mathematics in a way , just take notes on the blackboard, then students lack the desire to complete the sample questions given by the teacher. So that it can be concluded that the hypothesis is proven true that there are learning difficulties in mathematics in the Linear Program material for class X students of SMK Muhammadiyah 1 Kotabumi. Â Penelitian ini bertujuan untuk mengidentifikasi kesulitan-kesulitan siswa kelas X SMK Muhammadiyah 1 Kotabumi dalam mempelajari mata pelajaran Matematika pada materi Program Linear.Â Jenis dan pendekatan dalam penelitian ini adalah jenis penelitian deskriptif dengan pendekatan kualitatif. Adapun teknik pengumpulan data dalam penelitian ini adalah dengan tes, observasi, angket, sedangkan untuk pengolahan data mengunakan rumus persentase P = f/n x 100 %. Dari hasil penelitiaan di dapat kesimpulan bahwa kesulitan siswa dalam kelas X SMK Muhammadiyah Kotabumi dalam materi Program Linear adalah kurangnya pemahaman siswa dalam memahami konsep Program Linear, sering salah menggunakan rumus dan masih bingung dalam membuat suatu model matematika, juga kebiasaan guru dalam belajar matematika dengan cara, mencatat saja di papan tulis, kemudian siswa kurang keinginannya dalam menyelesaikan contoh soal yang diberikan oleh guru. Sehingga bisa diambil kesimpulan bahwa hipotesisnya terbukti benarbahwa adanya kesulitan belajar dalam pelajaran matematika pada materi Program Linear siswa kelas X SMK Muhammadiyah 1 Kotabumi.

ANALISIS MISKONSEPSI MATEMATIKA POKOK BAHASAN OPERASI BENTUK ALJABAR PADA PROSES BERPIKIR MASON PADA SISWA KELAS VIII DI MADRASAH TSANAWIYAH NEGERI 1 LAMPUNG UTARA Mutiara Yumeida Nusa; Darwanto; Ratih Handayani
Eksponen Vol. 13 No. 2 (2023): Eksponen: Volume 13 Nomor 2 September 2023
Publisher : Universitas Muhammadiyah Kotabumi

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Penelitian ini bertujuan untuk mendeskripsikan bagaimana proses berpikir siswa yang mengalami miskonsepsi dalam menyelesaikan soal operasi hitung bentuk aljabar pada proses berpikir mason. Metode penelitan yang digunakan dalam penelitian ini adalah deskriptif kualitatif dan tergolong dalam penelitian kualitatif. Subjek penelitian terdiri dari 2 orang siswa kelas VIII MTs Negeri 1 Lampung Utara. Pemilihan subjek dilakukan dengan mempertimbangkan hasil jawaban siswa dengan tingkat Centernity of Response Index (CRI) yang tinggi Instrumen utama dalam penelitian ini adalah peneliti itu sendiri dan instrumen pendukung ialah tes dan wawancara. Teknik analisis data yang dilakukan dalam penelitian ini adalah reduksi data, penyajian data dan penarikan kesimpulan. Hasil penelitian menunjukkan bahwa siswa yang mengalami miskonsepsi terjadi pada tahap attack yaitu ketika penyelesaian soal dalam mengoperasikan bentuk aljabar yaitu perkalian dan penjumlahan suku tak sejenis.

Geogebra Training for Mathematics Teachers SDIT Insan Robbani North Lampung Fhela Vhantoria Ningrum; Ratih Handayani; Khusnul Khotimah; Muinah
Pengabdian Kepada Masyarakat Cendekia Vol. 3 No. 2 (2024): Pengabdian Kepada Masyarakat Cendekia
Publisher : Sentra Kekayaan Intelektual dan Publikasi Ilmiah

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One of the results of the preliminary study, namely interviews with SDIT Insan Robbani teachers, found problems with teachers finding it difficult to make flat shapes and geometric shapes in detail and detail. So far, math teachers only screenshot flat shapes from the internet or draw pictures manually. Geogebra is a solution to easily visualize flat shapes and spatial shapes. The purpose of community service is to increase the knowledge and abilities of the mathematics teacher at SDIT Insan Robbani North Lampung about mathematical software, namely Geogebra. Implementation methods include preliminary studies, problem identification, finding solutions and output targets, training, observing constraints, and evaluating PKM activities. The results achieved were an increase in the teacher's knowledge and abilities about the mathematical software, namely Geogebra. This was shown based on the results of the evaluation of PKM activities, the teacher was able to make 11 learning evaluation instruments in the form of geometry questions and GeoGebra-assisted flat shapes and 3 learning media in the form of video tutorials of flat shapes and GeoGebra-assisted room shapes.

Sosialisasi dan Pendampingan Lesson Study di SMAN 2 Kotabumi: Menuju Peningkatan Profesionalisme Guru Purna Bayu Nugroho; Rulik Setiani; Dewi Ratnaningsih; Elis Susanti; Ratih Handayani; Darwanto; Asep Hardiyanto
Pengabdian Kepada Masyarakat Cendekia Vol. 3 No. 2 (2024): Pengabdian Kepada Masyarakat Cendekia
Publisher : Sentra Kekayaan Intelektual dan Publikasi Ilmiah

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Lesson Study is an activity conducted to improve the quality of teaching. As a collaborative approach, Lesson Study consists of stages such as planning, implementation, evaluation, and reflection, with the aim of continuously enhancing the quality of teaching. Therefore, the community service team from Universitas Muhammadiyah Kotabumi (UMKO) held a socialization event on October 14, 2024, to introduce the concept and stages of Lesson Study. This activity involved UMKO lecturers who are experts in various fields of study, acting as facilitators and mentors, providing both theoretical knowledge and hands-on practice to teachers. The event is expected to improve teachers' understanding and skills in implementing Lesson Study and encourage them to continuously develop innovative and effective teaching methods. This program also facilitates collaboration among teachers from different subject areas and supports the creation of a productive learning community at SMAN 2 Kotabumi. The outcome of the Lesson Study socialization activity at SMAN 2 Kotabumi shows a significant improvement in teachers' understanding of the fundamental concepts and practical application of Lesson Study.

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