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All Journal KUMPULAN JURNAL DOSEN UNIVERSITAS MUHAMMADIYAH SUMATERA UTARA EDUTECH: Jurnal Ilmu Pendidikan dan Ilmu Sosial InfoTekJar : Jurnal Nasional Informatika dan Teknologi Jaringan AL ISHLAH Jurnal Pendidikan AKSIOLOGIYA : Jurnal Pengabdian Kepada Masyarakat Biblio Couns : Jurnal Kajian Konseling dan Pendidikan Hasil Pengabdian Kepada Masyarakat JURNAL TARBIYAH Martabe : Jurnal Pengabdian Kepada Masyarakat English Language and Literature International Conference (ELLiC) Proceedings WIDYABHAKTI Jurnal Ilmiah Populer Jurnal Basicedu JOURNAL OF SCIENCE AND SOCIAL RESEARCH International Journal for Educational and Vocational Studies MES: Journal of Mathematics Education and Science Ihsan: Jurnal Pengabdian Masyarakat Journal of Computer Science, Information Technology and Telecommunication Engineering (JCoSITTE) Budapest International Research and Critics Institute-Journal (BIRCI-Journal): Humanities and Social Sciences Jurnal Penelitian, Pendidikan dan Pengajaran: JPPP Journal Mathematics Education Sigma [JMES] Jurnal Manajemen Pendidikan Dasar, Menengah dan Tinggi [JMP-DMT] ABDI SABHA (Jurnal Pengabdian kepada Masyarakat) sudo Jurnal Teknik Informatika Hello World Blend Sains Jurnal Teknik Jurnal Basicedu Wahana International Journal of Economic, Technology and Social Sciences (Injects)

Ismail Hanif Batubara

Universitas Muhammadiyah Sumatera Utara

Author-ID : 703152

Religion Agriculture, Biological Sciences & Forestry Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Public Health Social Sciences Other

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PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIKA TERBUKA MELALUI PENDEKATAN INVESTIGASI BAGI MAHASISWA PRODI PENDIDIKAN MATEMATIKA FKIP UMSU PADA MATAKULIAH TEORI BILANGAN Nur 'Afifah; Ismail Hanif Batubara
MES: Journal of Mathematics Education and Science Vol 4, No 2 (2019)
Publisher : Universitas Islam Sumatera Utara

Abstract. The research objectives are: (1) Knowing whether the approach to the mathematical investigation can improve the ability to solve open mathematical problems; (2) Knowing how the level of activity of students and lecturers in learning through a mathematical investigation approach. This type of research is Class Action Research. The research subjects were Students of Mathematics Education FKIP UMSU Academic Year 2018/2019. The object of research is the ability of lecturers to manage student learning and activities in the implementation of learning and the ability of students to solve open mathematical problems through an investigative approach to material numbers. The results of the study show that (1) The approach to the mathematical investigation can improve students' mathematical problem-solving abilities; (2) The approach to the mathematical investigation can increase the level of student activity. From the results of the initial test the ability to solve open mathematical problems an average value of 3.17, the average value of student cycle I tests is 10.73 (56.66%) students who have the ability to solve open mathematical problems and average test scores the second cycle was 12 (83.33%) students who had the ability to solve open mathematical problems. Based on the conclusions above, this study suggests that consider the application of a mathematical investigation approach in order to improve the quality of mathematics learning.Keywords: Mathematical Investigation, Problem-Solving, Open-Mathematics.

PENINGKATAN KEMAMPUAN PEMAHAMAN KONSEP MELALUI METODE PENEMUAN TERBIMBING BERBANTUAN SOFTWARE AUTOGRAPH PADA MATA KULIAH KALKULUS PEUBAH BANYAK DI FKIP UMSU Ismail Hanif Batubara
MES: Journal of Mathematics Education and Science Vol 4, No 1 (2018)
Publisher : Universitas Islam Sumatera Utara

Abstract. The purpose of this study was to find out: (1) Is the improvement in students' understanding of mathematical concepts given guided discovery method assisted by software Autograph higher than students who were given guided discovery method learning without Autograph software, (2) Is there an interaction between learning with students' initial mathematical ability to increase the ability to understand student mathematical concepts. This research is a quasi-experimental study. The population of this study is that all classes in the fourth semester mathematics education study program are approximately 184 people. Randomly, two classes were selected from six classes. The experimental class was treated with a guided discovery method assisted by autograph and control class given a guided discovery method without the help of autograph. The instrument used is a description test. Data analysis was performed by analysis of two-way variance (ANAVA). The results showed (1) Increased ability to understand mathematical concepts of groups of students who obtained guided discovery method learning using Autograph software higher than the group of students who received learning through guided discovery methods without software autograph. (2) There is no interaction between the learning model and the initial ability of students to increase the ability to understand students' mathematical concepts.Keywords: ability of concept understanding, Guided Discovery Method, Autograph Software.

PENINGKATAN KEMAMPUAN BERPIKIR KRITIS MAHASISWA MELALUI METODE PENEMUAN TERBIMBING BERBANTUAN SOFTWARE GEOGEBRA PADA MATA KULIAH KALKULUS PEUBAH BANYAK DI FKIP UMSU Ismail Hanif Batubara
MES: Journal of Mathematics Education and Science Vol 4, No 2 (2019)
Publisher : Universitas Islam Sumatera Utara

Abstract. The purpose of this study was to find out: (1) Is the increase in mathematical critical thinking abilities of students given the guided discovery method assisted by Geogebra software higher than students who were given guided discovery method learning without Geogebra software, (2) Are their interactions between learning with students 'initial mathematical abilities towards improving students' critical thinking skills. This research is a quasi-experimental study. The population of this study is that all classes in the fourth-semester mathematics education study program are approximately 120 people. Randomly, two classes were chosen from four classes. The experimental class was treated with Geogebra assisted guided discovery methods and the control class was treated with a guided discovery method without the help of Geogebra. Data analysis was performed by analysis of two-way variance (ANAVA). The results showed (1) Improvement of mathematical critical thinking skills of groups of students who obtained guided discovery method learning using GeoGebra software was higher than the group of students who received learning through guided discovery methods without GeoGebra software. (2) There is no interaction between the learning model and the initial ability of students in improving students' critical thinking skills in mathematics.Keywords: Critical Thinking Ability, Guided Discovery Method, Geogebra

PERBEDAAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIK ANTARA SISWA YANG DIBERI PEMBELAJARAN KOOPERATIF TIPE THINK-TALK-WRITE DENGAN PEMBELAJARAN LANGSUNG Putri Maisyarah Ammy; Ismail Hanif Batubara
MES: Journal of Mathematics Education and Science Vol 3, No 2 (2018)
Publisher : Universitas Islam Sumatera Utara

Abstract. The purposes of this study were to investigate: (1) Differences in mathematics conceptual understanding ability among students who are given a learning cooperative type Think-Talk-Write model with students who were given direct learning model. (2) To describe the active activity of student during learning cooperative type Think-Talk-Write. (3) To describe the accomplishing of student answers in learning cooperative type Think-Talk-Write and direct learning. This was a semi-experimental study. The population was first grade students of SMP Muhammadiyah 1 Medan. Then randomly selected two classes of six grade. The experimental class ware given learning cooperative type Think-Talk-Write model and control classes were subjected to direct teaching model. The instruments consisted of: (1) Mathematics conceptual understanding test, and (2) Observation sheet. Data analysis was performed by analysis of covariance (ANACOVA). The results showed that (1) There are differences in mathematics conceptual understanding among students who are given a model of learning cooperative type Think-Talk-Write with students who were direct instruction model. This is evident from the results ANACOVA to Fhitung = 37,457 is greater Ftabel 4,01. Constants of regression equations to model problem-based learning that is 27,027 greater than the direct learning model is 26,454. (2) The activity levels of active student has met the ideal percentage of time set. (3) the completing of students answers that are taught by learning cooperative type Think-Talk-Write model are better than students whorm are taught by using direct instruction model.Keywords: Think-Talk-Write, Mathematics Conceptual Understanding

PENINGKATAN KEMAMPUAN PEMAHAMAN KONSEP MATEMATIS MELALUI MODEL PEMBELAJARAN BERBASIS MASALAH BERBANTUAN AUTOGRAPH DAN GEOGEBRA DI SMA FREEMETHODIST MEDAN Ismail Hanif Batubara
MES: Journal of Mathematics Education and Science Vol 3, No 1 (2017)
Publisher : Universitas Islam Sumatera Utara

This research is aimed to know: (1) Whether the increasing of mathematical concept understanding ability students through problem-based learning model assisted Autograph better than the increasing of mathematical concept understanding ability students through problem-based learning model assisted Geogebra, (2) How the interaction between learning and early math ability of student mathematical concept understanding, The population are all students of SMA Free Methodist Medan. Then randomly selected two classes of four classes. The first experimental class were treated by problem-based learning model with assisted Autograph and the second experimental grade treated by problem-based learning model with assisted Geogebra. Data analysis was performed by analysis of variance (ANOVA) and two lanes. The research shows that: (1) The increasing of mathematical concept understanding abilities students through problem-based learning model assisted Autograph better than the increasing of mathematical concept understanding abilities students through problem-based learning model assisted Geogebra. (2) There is no Interaction between learning and early math ability of student mathematical concept understanding ability.

Co-Authors Ahmad Rahmatika Al Hamidy Al Khowarizmi Ali Topan Lubis Aman Tua Dongoran anim anim Atika Erlina Nasution Ayu Dwi Nanda Baihaqi Siddik Lubis Bornok Sinaga Budi Kurniawan Hutasuhut Can, Alvita Dian Armanto E. Elvis Napitupulu E. Elvis Napitupulu, E. Elvis Edi Syahputra Eko Febri Syahputra Siregar Elfira Rahmadani Elfrianto ., Elfrianto Ely Syafitri Fadlurohman, Dimas Febri Ananda Habib Syukri Nasution Hapzi Ali Hariani, Pipit Putri Hasibuan, Selamat Husni Indah Purnama Sari Indah Purnama Sari Indah Purnama Sari Irvan, Irvan Kholidah Nur KMS. Muhammad Amin Fauzi Laksono Trisnantoro Lis Julianti Mandra Saragih Marah Doly Nasution Mhd. Basri Miftahul Jannah Nanang Arianto Nasution, Ismail Saleh Nur 'Afifah Pipit Putri Hariani MD Pirman Ginting Pulungan, Lilik Hidayat Purnama Rika Perdana Putri Andini Putri Maisyarah Ammy Raihan, Elza Ahmad Rakhmat Wahyudin Sagala Ramadhani, Fanny Rimbawati Rita Harisma Sahat Saragih Sahat Saragih Sahat Saragih Sari, Suci Perwita Simamora, Elmanani SRI WAHYUNI Sri Wahyuni Sri Wahyuni SUCI PERWITA SARI Sumita Wardani Surya Wisada Dachi Suvriadi Panggabean Syahriani Sirait Tanjung, Muhammad Iqbal Tona Mardiyah Rambe Tua Halomoan Harahap Yenni Hasnah Zulkifli Siregar ‘Afifah, Nur

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