The inquiry-based learning model is the model suggested for learning in the 21st century. This learning process will succeed if supported by teaching material that prepares students for real-life situations. This research aimed to design and develop valid teaching material that is oriented towards inquiry-based...

Soccer is a sport type that is done for long time duration. Therefore, it is important for soccer athletes to maintain the adequacy of body fluids so that sports performance is maintained properly. The purpose of this study is to determine the level of knowledge and hydration awareness of adolescents...

Anti-adjacency matrix is a way to represent a directed graph as a square matrix, whose entries show whether there is a directed edge from a vertex to another one. This paper focuses on the properties of anti-adjacency matrix of windmill graph (4,), such as its characteristic polynomial and eigenvalues....

This phenomenological study sought to understand the lived experiences of Indonesian international students studying in Taiwan and their practice of Islam. An open-ended questionnaire was first administered to a group of Indonesian students in a Taiwanese public university then three interviewees were...

This study was designed to identify and describe students’ metacognitive thinking process of solving covalent bonding based on student academic ability level One hundred eight high school students in Indonesia participated in the study. Students are classified into upper, middle and lower academic groups...

Generally, a teacher training is still ineffective and has many weaknesses in its implementation. The main objective of a teacher training is to improve teachers’ abilities and skills in teaching, so as to prepare students for competition in the millennial century. In chemistry learning teachers must...

In this recent years, the integration of technology in learning and assessment has become a major need in education. In Indonesia, CBT has been used as a computer-based national examination system (UNBK), a computerized exam as a media to display the problem and process of answering it. In addition,...

The aim of this research was to find out the effect of Think-Pair-Share learning with contextual approach on students’ mathematics problem solving ability. The static group comparison design was used as the research design. This research used test method with the research instrument of problem solving...

The aim of this research is to know the validity and effectiveness of physics learning package based on Guided Inquiry. This research uses development method by Plomp and Nieven research design. Physics learning package that have been developed and then validated by three expert validators from UNESA....

Justification is an important component in learning mathematics to optimize reasoning skill, understanding concepts and mathematical communication. This research is qualitative descriptive research because it aims to obtain a natural picture of the student’s mathematical justification on the quadrilateral...

Most secondary high school students think that chemistry was a difficult subject. Bad perception can influence the students’ interest in chemistry. We aimed was to explore the students’ perception toward chemistry in junior high school and its influences on students’ interest to learn chemistry in secondary...

School literacy program (SLP) tries to nurture the attitude of noble character to children through reading activities, since such activities are believed to become a reflective, analytical, and critical skill leading to the development of other disciplines including mathematics. Consequently program...

Learning mathematical is believed to enhance student’s creative thinking. Problem posing can be a form of training in creative thinking. Problem posing requires that the student be creative and use the mathematical knowledge that has been obtained to connect several concepts. Differences context of the...

Students’ creativity and High-Order thinking skills involved in the enrollment of surface chemistry course was examined in this study. The laboratory activity worksheet developed in previous research done by Yonata et al (2017) was used to guide student activity. Meanwhile, the students’ creativity was...

This research aims to analyze the effectiveness of Guided-Inquiry model to train science process skills. This research design in this study was One-group Pre-test and Post-test which applied to 15 students of senior high school. The data were analyzed using Anova, N-gain and the paired t-test. The result...

The reason for the low quality of science education in general is the existence of misconception and learning conditions that are less attention to the preconceptions of learners. Misconceptions of light can occur at any age level. The purpose of this study is to demonstrate that Predict-Observe-Explain...

There are many graph labelling that have been developed, one of which is a graceful labelling. A graceful labelling of a graph G=(V,E) with E edges is an injectivef:V(G)→{0,1,…,|E|} that the resulting edge labels obtained by |f(u)-f(v)| on each edgesuv are pairwise distinct. An aster flower graph (A_((m,n)...

This study aims to develop a set of learning materials supporting teachers’ understanding of mathematics problem-solving knowledge for teaching (MPSKT). The MPSKT implemented in the learning materials consist of problem-solving content knowledge (PSCK) (knowledge of problems, nature of problem-solving,...

This study aims at developing an open-ended problem based mathematics learning to enhance students’ creativity. Plomp model was used to develop the instructional materials for fraction unit at grade 3. The subjects consisted of third grade students. The data was collected by observation, interview, test,...

The Learning Cycle 7E (LC-7E) with Socio-scientific Issue (SSI) Context learning material is learning material that links chemistry learning with science issues and involves moral and ethical component. It will lead students to explore and develop their knowledge by connecting of issues or events in...

Open Journal System (OJS) is rapid grown open source system that is used to support and manage online journal publication. Problems interaction between the users and the system appear since many users finding difficulty to use OJS. ISO 9241-110 becomes a standard in the aspect of human interaction with...

Ethnomatematics is mathematics that grows and develops in a society. Batik Surakarta is one of the cultural wealth in Indonesia that has the potential to increase the knowledge of society about the concept of mathematics, especially the geometric transformation. Surakarta batik patterns are influenced...

This study aims to describe the effectiveness of guided inquiry learning model to train the science process skills of learners on acid-base material grade XI from one public school (Senior High School 1 Bangkalan). The type of this research is descriptive quantitative with "One Group Pretest-Posttest...

This study aims to analyse the improvement of mathematical connection ability and the habits of students’ mind who are taught by using the Missouri Mathematics Project (MMP) model and Discovery Learning (DL) model. This type of research belongs to quasi experiment using quantitative and qualitative data...

Proof and proving play an important role for students in justifying the validity of mathematical propositions. This qualitative research was concerned to assess students’ proof schemes for disproving mathematics propositions. The sample was 11th grade students of SMAN 1 Surabaya. All students had to...

Barcode is visual code to identify the symbols of the data in the form of one or two-dimension image contains lines and spaces based on detecting the edges. The use of barcode has significantly contributed for warehouses and retail product. Nowadays, the research about barcode is still an interesting...

This type of research is qualitative since it aims at finding out the exploration of mathematical intuition and its role in solving mathematical problems. The research method was done by collecting data through mathematical problem-solving test according to Polya stages and conducting in-depth interview...

The Sasak community of Mount Rinjani region has been developed the original system of knowledge and technology as a local wisdom. Disclosure of local wisdom through biology instructional learning can strengthen the nature of meaningful learning and encourage students to be wise in solving the problems....

This article reports the competency profile of undergraduate Mathematics and Natural Science education based on Indonesian National Qualification Framework (INQF) and 21st century demands, and its assessment model. The competency profile was formulated based on theoretical and regulation reviews. The...

E-lampid is an application which focuses on population service in terms of e-Government. The service of E-lampid was created by the Surabaya government aiming to minimize the length of queue of the people coming to the Department of Population and Civil Registration. However, the application has not...

This research is aimed to describe the process of relational thinking of junior high school student with high level a ability in solving mathematical problems. In this qualitative research, data collection techniques are performed by using tests and interview. The subject of this research is only one...

The development of small medium software enterprises accompanied by various factors. These factors will be structured as a strategic plan for the company's progress. This paper will discuss identification of the factors of development of small medium software enterprises. The research was done by analytic...

E-learning is learning process through electronic media, especially the internet. E-learning enables students to learn or possess science no matter when and where. The purpose of this study was to develop Moodle in problem-based learning in order to improve learners’ comprehension of wave concepts. The...

This study aims to describe the critical thinking skill of high performance mathematics teacher in solving mathematical problems with the subject was a junior high school teacher who was awarded as a high performance teacher. Qualitative research method was used to reveal the critical thinking skill...

The OrDeP2E learning model based on contextual approach is a science-based learning activity of contextual approach that emphasizes the creative thinking process of junior high school students. The syntaxes of OrDeP2E learning model are (1) Problem definition, (2) Problem Orientation, (3) Submission...

The purpose of this study was to determine the ability of the student's problem in completing the task of mathematics with sub-topic translation and reflection by using the help of google form. This research method was qualitative descriptive by involving 32 students of class XI TEi2 in SMK Negeri 1...

This research aimed to describe student scientific literacy skills with the concept of interaction between living things and environment. The research used quantitative descriptive method implemented at SMPN Satu Atap Kenduruan with subject of students grade VII which were determined by cluster random...

The individual's creative level in solving mathematical problems is of course different. Using mathematics to solve problems is called math applications. The modeling process is very helpful for students in solving mathematical problems related to contextual problems. Four stages of Wallas's creative...

Mathematics learning requires students to be active in learning. Mathematical learning should also encourage students to express mathematical ideas according to what they have learned. Students must be able to unfold their argumentation while solving problems. This study aims to investigate the ability...

One of the 21st century skills is the mathematical literacy ability. The aim of this research was to describe the mathematical literacy ability student based on mathematical ability. This was qualitative descriptive research. The subjects of this research were three 8th grade students an Islamic secondary...

This study aims to describe process, responses, and effectiveness of applying HOTS problem using That Quiz application in the learning of Sequence and Series. Based on the analysis of ADDIE model, it was obtained that HOTS questions were in good quality because they meet valid, reliable, and objective...

Student’s spatial reasoning is the process of manipulating objects that can help students to solving the daily problems about spatial. The aim of this study was to know students’ spatial reasoning in solving geometry problems based on personality types. This study was used qualitative descriptive approach...

The digitalization of 21st-century in the society is focusing mathematical competence on computer performance where real-life problems are modeled into the language of mathematics. Mathematical literacy helps individuals to recognise the role of mathematics playing in the world and helping them to make...

Spatial visualization is a mental ability in imagining an object, manipulating objects, rotating objects along with changing elements in it, or changing objects described into different shapes. Every student has a different strategy in solving a particular mathematical problem in solving mirroring problems....

The present paper reports the challenges that the researcher had when teaching statistics to undergraduates majoring in the teaching of English and how to overcome them. It attempted to describe: (1) how to increase their motivation to learn statistics, and (2) how to improve their ability in statistical...

The rise of forums that utilize communication technology today is one of them using a brainstorming method to facilitate discussion. Brainstorming is a method to explore the ideas of all participants in a forum. The purpose of this research is to understand the effectiveness and result of applying brainstorming...

Schema has an important role in problem solving process because it determines an action towards problem solving. Problem solving involves two aspects namely the problem to be solved and the knowledge (schema) that is owned. This study was aimed at describing the use of owned schema in problem solving...

This study aims to describe the effectiveness of the discovery learning model with a scientific approach to the science learning of temperature and heat matter. Discovery learning model is a learning model that aims to train students in finding the concept independently in solving problems. This research...

Triangle is one of the fundamental concepts in geometry which has to be studied in secondary schools. Students have many difficulties to implement maths’ reasoning and to understand concepts of the triangle. If students’ difficulties have to be addressed and facilitated, then the students understand...

Construction of the mathematical concept is important to support students' success in learning. Factorization is one of the important subjects to be mastered by students in order to solve advanced mathematics problems. Reflective abstraction is a mental mechanism which someone can build all mathematical...

Understanding of numbers refers to number sense. Number sense is basic for learning numbers. The aims of this study are to describe 7th students’ number sense who have reflective and impulsive cognitive styles fraction. The subjects were students of the 7th grade. All students’ were given Matching Familiar...

Chemistry learning is one of the processes to provide knowledge and skills about chemistry contained in nature. Understanding the concept of science-related literacy can be improved by the application of learning methods, because with a precise understanding of the concept it can provide ease, increase...

University students should write a thesis to get their undergraduate (Bachelor) degree is. Most Informatics engineering students of the Electrical Engineering Department in Universitas Negeri Malang use research and development method for their thesis. There are many solutions or methods in software...

Problem solving is the ability which can be used not only to solve a simple problem but also a complicated problem. It is a skill which can be trained in every level of education. Therefore, teachers are required to be able to trill this ability and an obligation for mathematics teacher to have an excellent...

Pedagogical competence is the ability of teachers in managing to learn. This study was designed to review the pedagogical competence of high school math teachers and their attitudes in teaching. Pedagogical competence in this research will be reviewed from two aspects, that is knowledge aspect and skill...

Students’ creative thinking skill is still found to be low. One strategy to train creative thinking skill is metacognitive strategies. In this strategy, students are trained to monitor their own thinking to come up with ideas to solve problem of creating a work. This study aims to train students' creative...

This article presents the results of study in a series of development of learning materials with green chemistry insight. The issues that will be discussed in this paper are describe the feasibility of basic chemistry course design to support learning curriculum with green chemistry insight and its supporting...

Biogas is a clean and renewable energy generated from organic digestion under anaerobic condition. The anaerobic process is held inside a biogas digester. The production of biogas in a biogas digester might be affected by the temperature degree and humidity of the digester. This research focused on building...

In the learning process, students have conception and misconception, no exeption in mechanical wave learning. The aims of this study to reduce students misconceptions on mechanical wave using interactive demonstration. Interactive demonstration of physics learning applied to students of 16th State Senior...

Problem solving behavior play an important role for any student because problem solving behavior can given provided description of the student's behavior during the process of solving the mathematics problem. This study investigate student problem solving behavior when solving the negative integers problems....

This study aims to analyse the improvement of mathematical connection ability and the habits of students’ mind who are taught by using the Missouri Mathematics Project (MMP) model and Discovery Learning (DL) model. This type of research belongs to quasi experiment using quantitative and qualitative data...

Pattern generalization is a core area in mathematics that is recognized by a community of researchers as an approach to develop student’s algebraic reasoning. Examining students’ generalization strategies of patterns becomes very important in term of learning advanced algebra. This study applied qualitative...

Behavior is an action to be performed, in learning behavioral math can be interpreted as a way of student action when solving problems. Reasoning is one part of the thinking process of students to drawing a conclusions from a problem. Reasoning behavior students has been attracted many researchers to...

This research aims to develop Student Activity Sheet to enhance understanding addition and subtraction thousand numbers for students in the fourth grade with context Wisanggeni Puppet and to determine the feasibility of Student Activity Sheet based on the assessment of subject-matter expert and design...

The purpose of this study was to investigate the effect of STEM project-based learning (PjBL) on students’ scientific attitude based on social constructivism theory in natural science learning. One group pre-test and post-test of quasi-experiment was used as research method with junior high school students...

A serious problem faced by the adolescent in the vast development of Information Technology era is a digital addiction. This descriptive study examines the types of digital addiction and the relation between digital addiction among adolescents and parenting approaches. Respondents in this study were...