Sugiman Sugiman

• Doctor of Education
• Professor (Full) at Yogyakarta State University

Problem solving and mathematical representation are essential skills for anyone studying mathematics. Therefore, it is crucial to develop these two skills in mathematics learning, particularly in elementary school. Nonetheless, challenges in this field highlight deficiencies in the problem-solving and mathematical representation abilities of prospe...

This research aims to describe the Learning Trajectory of elementary school students in multiplication and division activities in the context of Prambanan Temple. The research method used is qualitative with didactical design research approach, namely, (1) Prospective Analysis (determining learning obstacles); (2) Preparation of Hypothetical Learni...

Collaboration between parents and teachers in the education phase is crucial because primary school-age children still spend a lot of time at home with their parents. This study aims to examine the dimensions of the role of parents and teachers in the quality of education in both public and private primary schools. Subsequently, this research will...

Proceedings of the International Conference on Sustainability: Developments and Innovations

Augmented Reality (AR) is one of the most popular technologies used in the field of education. AR technology is widely used as a learning medium or to develop engaging, innovative textbooks for students. However, there is still much debate regarding the use of AR at various levels of education, starting from elementary school to the higher educatio...

This research uses an explanatory quantitative design with a structural equation modelling (SEM) approach to test whether left or right brain dominance affects the skills of reservice teachers in using artificial intelligence (AI). Participants in this research were 342 students majoring in multidisciplinary education (preservice teachers). The di...

The success of a school centers on teachers' ability to create well-aligned educational tools. The Merdeka Belajar curriculum requires adapting assessments, including Higher-Order Thinking Skills (HOTS) questions for real-world problem-solving scenarios. This study explored contexts proposed by teachers in Papua for developing Mathematics HOTS ques...

As educational facilitators, teachers should have good digital competence to successfully integrate technology into the learning process. This cross-sectional survey research method was conducted on the needs of digital elementary teachers in West Nusa Tenggara. Respondents were 213 primary school teachers from 10 districts in West Nusa Tenggara, I...

Ensuring reliable measurements is crucial for minimising errors in assessments. The assessmentcommunity commonly employs the evaluation of reliability coefficients to estimate the dependability oftest scores. Despite its significance, limited research has explored the relationship between the estimated reliability coefficient and the number of scal...

In this new era, computational thinking is becoming increasingly intriguing for in-depth study. The 2022 PISA framework illustrates that computational thinking can play a significant role in solving real-world mathematical problems, both in formulating problems and in mathematical reasoning processes. Many countries have integrated computational th...

Measuring higher-order thinking skills involves assessing an individual’s capacity to engage in processes such as reasoning, analysis, evaluation, and creative idea generation to solve problems and make informed decisions. These instruments play a crucial role in cultivating students’ aptitude and competence, enabling their adaptation to the comple...

Background: Number pattern is a relevant topic in mathematics. Generally, the problems related to the theme can be solved by applying three principles: proximity, closure, and similarity. Besides, solving number pattern problems is closely related to students' ability to present the problem mathematically. Objectives: To examine prospective teacher...

Learning that involved the daily life accompanied by interesting learning media can be used as an option to help students in learning, particularly in improving students' concepts understanding. It is possible to do by utilization of familiar media that are generally liked by students. One of them is comic. Therefore a research about learning by co...

Mathematics learning is expected to train reasoning and thinking in concluding, developing problem-solving abilities, and delivering information. However the reasoning abilities possessed by Indonesian students are not optimal. In general, students still use memorizing formulas in solving problems rather than using their reasoning abilities. This q...

Enrichment learning is given to students who have completed mastering the competence of a material by providing additional learning activities that contain activities, one of which is problem solving. The use of technology in learning is one way to attract students' attention and motivation to further explore the material being studied. One form of...

Spatial ability and self-regulated learning are important aspects in human life. Besides, Augmented Reality (AR) nowadays becomes technology which steals the world’s attention to be developed in many fields, including in education. This study aims to explain "can Augmented reality improve spatial abilities and self-regulated learning?". The method...

This study aims to know effectiveness of Google Classroom using worked example's strategy in learning angles. This research is quantitative research using pre-experimental design in the form of one-shot case study. There are 29 students of Junior High School at Yogyakarta who have studied angles using google classroom with worked example strategy,...

Issues of global and local importance such as climate change, health (covid-19), tolerance, meeting the need for food and shelter, and development of artificial intelligence technology require critical perspectives across a wide range of disciplines including science, technology, engineering, and mathematics (STEM). One of the problems in implement...

p style="text-align: justify;">The importance of literacy is a competency requirement that must be possessed by students to face competition in the 21st century. This is directly related to the extent to which students' scientific thinking processes understand and solve problems. This study aims to describe how literacy is trained in learning in ju...

p style="text-align: justify;">Within the context of Self-Regulated Learning (SRL), a process of directing oneself to facilitate individual learning more effectively, the SRL instrument development is deemed necessary to measure students’ self-reliance in learning mathematics in the science, technology, engineering, and mathematics (STEM) framework...

Penelitian ini bertujuan untuk mendeskripsikan perilaku siswa cerdas istimewa saat pem­belajaran pengayaan matematika menggunakan kalkulator. Penelitian ini merupakan penelitian deskriptif dengan pendekatan kuantitatif dan kualitatif. Subjek penelitian adalah siswa kelas VIII-A SMP Negeri di Kota Pasuruan yang terdiri dari 33 siswa. Subjek yang dip...

Abstrak Komunikasi masuk dalam salah satu keterampilan abad ke-21 di framework PISA 2018 yang akan diukur. Selain itu tujuan pembelajaran matematika menurut Permendikbud bahwa salah satunya siswa mampu mengkomunikasikan gagasan serta mampu menyusun bukti matematika dengan menggunakan simbol matematika. Sehingga guru di tuntut untuk meningkatkan k...

Kemampuan berpikir kreatif merupakan kemampuan yang diperlukan di abad 21 sehingga kemampuan tersebut merupakan hal yang perlu diperhatikan. Penelitian ini akan membahas tentang kesalahan siswa dalam menjawab soal tes kemampuan berpikir kreatif matematis pada materi pecahan berdasarkan prosedur Newman. Tujuan penelitian ini adalah untuk mengetahui...

This research is a development and measurement research. This research is conducted to develop a good instrument in measuring elementary school students’ skill by IRT approach which based on; 1) validity and reliability of instrument; 2) assumption test; unidimensional, local independence and parameter invariance; 3) characteristics of item test an...

The aims of this research are: 1) producing the test instrument of mathematics skill on elementary school which is valid and reliable, 2) finding out the characteristics of the test instrument of mathematics skill on elementary school. The instrument test development in this research uses the development model of Wilson, Oriondo and Antonio which i...

In this era of revolution 4.0, it is hoped that everyone will be active in managing their knowledge through digital media. Digital media needs to be well designed attractive. This can have an impact on motivation and learning outcomes, especially in the field of education. In online learning, digital media is an alternative in helping the learning...

Problem-solving ability is one of the most important aspects required in teaching Mathematics. This is because the ability can empower individuals to compete in the globalization era. Thus, this study intends to explore the probability of one of the learning models, Problem-posing, to enhance mathematical problem-solving ability. Several articles f...

So far, enrichment learning has been conducted by only giving practice test without using supporting media. Therefore, students on enrichment class feel bored because they are only given working exercises and discuss the solutions. Based on the problem, this research aims to develop calculator-assisted enrichment learning tool to facilitate student...

p class="AfiliasiCxSpFirst" align="left"> Abstrak: Penelitian ini bertujuan untuk menjelaskan pengaruh akreditasi prodi terhadap kemampuan mahasiswa pendidikan matematika dalam membaca, mengklasifikasikan, dan mengkonstruksi bukti matematis. Penelitian ini merupaan penelitian ex post facto dengan pendekatan kuantitatif. Populasi penelitian ini ada...

p style="text-align:justify">This study aims to design mathematical literacy instruments that have evidence of content and construct validity and are reliable for use as an Assessment for Learning. The research involved eight experts as instrument validators and 273 eighth-grade students of junior high school in Yogyakarta Province. The results sho...

Posing mathematics problem is perceived as one of the learning strategies to promote students’ skills in mathematics problem-solving as well as one of the crucial competencies that should be mastered by prospective mathematics teachers. Some people argued that for prospective mathematics teachers, posing mathematics problem itself is as important a...

Goal-free is a strategy to present a problem without specific question, in contrary to goal-given problem. This research examined the goal-free effects during mathematics collaborative learning measured by cognitive load rating and transfer ability. An experiment was conducted in authentic mathematics classrooms employing a factorial design with 2...

This study aims at knowing whether there are didactic obstacles in learning fractions of students in Yogyakarta based on the form of the problems. Those problems include visual, narrative, and symbolic forms. Materials of fractions consist of the concepts of fractions, equivalent fractions, the order of fractions, decimals, percents, addition of fr...

Improving educational quality by improving learning quality might be afforded through several initiatives and one of the initiatives is benefitting lesson study. With regards to the statement, the present study would like to describe the junior high school teachers’ readiness in implementing the lesson study in order to improve the learning quality...

Teachers’ diagnostic practice on students-difficulties is one of the important steps in designing and managing classroom lessons. The purpose of this study was to explore teachers’ perception and practices regarding diagnosing students’ learning difficulties. The participants of the study were 28 Indonesian mathematics teachers of Junior High Schoo...

This study aims to: (1) look for the highest and lowest values in number and algebraic material of Junior High School in East Lombok, (2) the percentage of errors made by students when answering math problems, and (3) the diagnosis of student’s misconception in doing number and algebra at Junior High School in East Lombok. This research is a quanti...

The study aims at generating a product in the form of comic book and also displaying the feasibility and the effectiveness of the comic book in improving the mathematical problem-solving skills and the self-confidence of the Grade IV students in the Muhammadiyah Elementary School Condongcatur Yogyakarta. The study is a Research and Development init...

This study is an experimental research that aims to determine the effect of Problem solving approach to solving mathematical problems in fifth grade. The population in this study is all students of class V SD Islam Athirah Bukit Baruga academic year Makassar 2014/2015 consisting of four classes. The sample of research is two classes, namely experim...

The purpose of this study is to develop a scale to measure honesty characters of students on mathematics learning using sucject scaling model. This development research is carried out in several steps namely: preparing initial scales, trials, and interpretation of trials result. The research is conducted on students of SMP N 5 Yogyakarta, SMP Muham...

Penelitian ini bertujuan untuk mendeskripsikan kemampuan matematis, yang terdiri atas kemampuan penalaran dan representasi matematis siswa SMP di Kabupaten Indramayu, Jawa Barat. Penelitian ini merupakan penelitian survei dengan pendekatan kuantitatif. Populasi dalam penelitian ini adalah seluruh siswa SMP kelas VIII di Kabupaten Indramayu tahun pe...

The character of responsibility is an important character that Indonesian students must possess. The attempts to strengthen the character of student responsibilities require in-depth information about the actual state of student's responsibility. The use of relevant, valid, and reliable instruments is necessary to obtain accurate and accountable in...

Geometry is one of the branches of mathematics lessons learned in school. The teaching geometry in this research that is on teaching and learning of the line and angle material at grade VII Junior High School. The result of this research describes how teachers’ instruction for teaching geometry using a combination of the van Hieles’ theory with rea...

Unexplained non-routine problem solving strategies emerging during learning processes encourage students to think deeply about mathematical concepts related to the problems given. In addition, non-routine problems offer a mathematical task never encountered by students before. This article analyses observation results of students' article are stude...

This study was aimed to present students' perception of mathematics mobile blended learning using smartphone. A total of 32 junior high school students were involved in the study. The study was a mix method study whereby both quantitative and qualitative research instruments were administered to reveal student perceptions towards their learning exp...

Geometry is one of the mathematics topics learned in school. Therefore, it is important to explore how the geometry was taught. Lines and angles material at grade VII Junior High School were chosen to meet this purpose. This study investigated the teacher instructional practice and students' geometrical thinking levels based on van Hiele theory. Th...

This article reported a classroom action research that was aimed to improve student's pedagogic competence during a course namely Methods of Mathematics Instruction. An asynchronous e-learning approach was provided as supplementary material to the main lecture. This e-learning consisted of selected references and educational website addresses and a...

Buku ini terdiri dari 5 (lima) bab yang terbagi menjadi 3 (tiga) bagian utama. Bagian pertama membahas tentang Higher Order Thinking Skills (HOTS) dalam pembelajaran matematika, yang terdiri dari (1) satu bab yang berisi berisi penjelasan mengenai higher order thinking skills dan karakateristik pembelajaran yang dapat digunakan untuk melatihkan HOT...

The aims of this research are: (1) to measure the difficulty level of grain test of mathematics achievement of third grade student at elementary school, (2) to know the differences of mathematics achievement test for third grade student of elementary school, (3) instrument reliability test of mathematics learning achievement of third grade students...

The study was to describe the implementation of Problem-Based Learning (PBL) toward the improvement of students’ Higher Order Thinking Skill (HOTS) and characters and to describe the obstacles that had been encountered within the implementation. The study was a mixed research that made use of concurrent mixed method design. The population in the st...

The aim of this study was to develop a construct of the instrument for junior high school mathematics teacher self-efficacy and its mapping in the Special Region of Yogyakarta. The population was 816 junior high mathematics teacher and a sample of 274 teachers was selected through proportionate random sampling technique. The data were analyzed usin...

Generally, teachers use oral communication for teaching mathematics. Taking an opposite perspective, this paper describes how instructional practices for mathematics can be carried out namely a silent method. Silent method uses body language, written, and oral communication for classroom interaction. This research uses a design research approach co...

The purpose of this study was to determine the influence of CBT and PBT national examination in terms of students’ cognitive readiness and anxiety facing mathematics national examination in DIY province, the influence of major in terms of students’ cognitive readiness and anxiety facing mathematics national examination in DIY Province, and the inte...

Tujuan penelitian ini adalah untuk mendeskripsikan pengaruh pendekatan problem posing dan pendekatan problem-based learning; dan untuk mengetahui mana yang lebih baik antara pendekatan problem posing dan pendekatan problem-based learning ditinjau dari prestasi belajar, dan motivasi belajar mahasiswa Program Studi Pendidikan Matematika FKIP Universi...

Penelitian ini bertujuan untuk menentukan keefektifan dan perbandingan keefektifan dari pendekatan open-ended dan problem solving pada pembelajaran bangun ruang sisi datar ditinjau dari pencapaian kemampuan penalaran, pemecahan masalah, dan komunikasi matematis. Penelitian ini adalah quasi experiment dengan desain pretest-posttest nonequivalent gro...

Penelitian untuk mendeskripsikan tingkat dan letak kesulitan belajar matematika siswa pada aspek kognitif dan kategorisasi masalah belajar matematika siswa pada aspek afektif dalam menghadapi Ujian Nasional tahun pelajaran 2013/2014 SMA di Kota Baubau. Penelitian ini menggunakan penelitian dengan metode survei. Pengumpulan data yang digunakan adala...

Penelitian ini bertujuan untuk mendeskripsikan letak dan jenis kesulitan belajar matematika mahasiswa pendidikan matematika. Penelitian ini adalah penelitian campuran dengan pendekatan kuantitatif dan kualitatif. Subjek penelitian ini adalah mahasiswa pendidikan matematika di Universitas Jambi yang mengalami kesulitan belajar matematika pada mata k...

Penelitian ini bertujuan untuk mendeskripsikan tingkat kevalidan, kepraktisan, dan keefektifan hasil pengembangan perangkat pembelajaran Teorema Pythagoras dengan pendekatan IDEAL berbantuan GeoGebra ditinjau dari prestasi dan motivasi belajar matematika siswa. Penelitian ini merupakan penelitian dan pengembangan dengan model 4-D dari Thiagarajan,...

Tujuan penelitian ini adalah menentukan jenis kesulitan siswa SMA/MA Kabupaten Maluku Tengah dalam menyelesaikan soal setara UN dan faktor yang menyebabkannya. Pendekatan penelitian ini adalah kualitatif deskriptif. Populasi penelitian adalah 1819 siswa kelas XII SMA/MA Program IPA dari 53 sekolah di Kabupaten Maluku Tengah. Sampel berasal dari tuj...

Student as a mathematics teacher candidate must have competence in solving and creating mathematical problems. This paper describes how the two competencies are mastered by students. On the one competence, problem solving ability is reviewed by using four aspects: (1) conceptual and procedural understanding, (2) strategy knowledge, (3) mathematical...

Penelitian kuasi eksperimen ini bertujuan untuk mengetahui dampak daripendidikan matematika realistik (PMR) terhadap peningkatankemampuan pemecahan masalah matematik (KPMM). Desain penelitianyang digunakan adalah kelompok kontrol non-ekuivalen dengan subjekpopulasi seluruh siswa SMP di Kota Yogyakarta yang berasal darisekolah level rendah (C), seda...