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Risnanosanti, . · Universitas Negeri Yogyakarta
The opinion of mathematics education expert toward the necessity of introducing mathematical proof to be thought at all levels was increased. Number of mathematics teacher in America conducted intensive discussion about whether mathematics proof should be included or excluded in mathematics curriculum. Teachers agree on the importance of proof and on the ne…
Thacker, Beth; Diaz, Abel; Eligon, Ann Marie · arXiv
We discuss an inquiry-based curriculum that has been developed specifically for the introductory algebra-based physics course, taking into account the needs, backgrounds, learning styles and career goals of the students in that class. The course is designed to be taught in a laboratory-based environment, however parts of the materials can be used in other se…
Malanicagi, Maisea Tuicoro · Universitas Negeri Yogyakarta
The aim of this study is to develop contextual based teaching materials to enhance students self efficacy and mathematics achievement in algebra at a junior high school. The developed product consisted of students textbook, teachers lesson plan and student worksheet which were valid, practical, and effective. This is a research and developement (R&D)…
Risnawati, Risnawati; Annisa, Kurniati; Elviza, Regita · Universitas Negeri Yogyakarta
More sophisticated technology tools from laptops, smartphones, tabs and others make students dependence to use them and bring it everywhere they are. It would be better if they are used by the students to learn, not just for social networks such as Facebook, Twitter and others, but can be used for student’s learning. The purpose…
Risnawati · UIN Sultan Syarif Kasim Riau
Risnawati · UIN Sultan Syarif Kasim Riau
Risnawati · UIN Sultan Syarif Kasim Riau
Anwar, .; Sardin, . · Universitas Negeri Yogyakarta
The mathematical problem solving skill is an effort to find solution of mathematical problem that is faced by students. In problem solving process, the students leadtheir entirecapability. The competencies which are used in problem solving namely rationality, creativity, and other thinking abilities. Problem solving needs conceptual understanding ability (co…
Dian , Armanto; Max , Stephens · Universitas Negeri Yogyakarta
Algebra is part of Mathematics learning in Indonesian curriculum. It takes one half of the teaching hours in senior high school, and one third in junior high school. However, the learning trajectory of Algebra needs to be improved because teachers teach computational thinking by applying paper-and-pencil strategy combining with the concepts-operations-exampl…
Musthofa, Musthofa · Universitas Negeri Yogyakarta
In primary school, some students find a difficulty in calculating a multiplication of two numbers. Moreover, students only familiar with certain method to solve the problem. Actually, there are some methods that much easier to multiply numbers. In this paper, some of those techniques will be discussed, such as lattice multiplication, grid multiplication, an…
Musthofa, Musthofa · Universitas Negeri Yogyakarta
In primary school, some students find a difficulty in calculating a multiplication of two numbers. Moreover, students only familiar with certain method to solve the problem. Actually, there are some methods that much easier to multiply numbers. In this paper, some of those techniques will be discussed, such as lattice multiplication, grid multiplication, an…
Risnawati; Wahyunur Mardianita; Mayu Syahwela · UIN Sultan Syarif Kasim Riau
This research aimed to develop modules containing valid, practical, and effective matrix materials in Linear Algebra? at Mathematics Education Department, Faculty of Teacher Education UIN Suska Riau. The research findings showed that teaching materials and instruments were valid, practical and effective. It was found that the matrix materials modules…
Edy, Tandililing · Universitas Negeri Yogyakarta
Mathematical representation skill is one of the goals in mathematical instruction especially in high school as well as college. Multiple representation skill is the ability to present a mathematical object (problem, statement, solution, model, etc) into a variety of notation that include (1) symbolic (algebraic form and formula); it is used in manipulating, …
Fajar, Elmy Nuriyah · Universitas Negeri Yogyakarta
The objective of this research is to describe the result of assessment for students in solving exponents and logarithms problems in class X Mathematics and Natural Science (MIA) 2 Senior High School 1 Depok, Sleman included the rate of achievements level of solving the problem, the percentage of completion of each items, and the absorption percentage of …
Abdul, Muin; Lia, Kurniawati · Universitas Negeri Yogyakarta
This study was conducted to determine the student’s reflective thinking skills who are taught with problem-based learning and metacognitive; to know the mathematical reflective thinking skills of students who are taught by conventional learning; to identify the difference of increased reflective thinking skills among students …
Meifry, Manuhutu · Universitas Negeri Yogyakarta
In Linear Algebra, one of the most important method to learn is Gauss-Jordan Elimination. This method almost used in every basic concepts but it is difficult to learn. Fortunately, MS Windows provide one of its application, that is MS Excel, for students so that the method becomes easier to understand for science and technology students.This application has …
Turmudi, Turmudi · Universitas Negeri Yogyakarta
Algebra is one of the most difficult subject felt by most students and this strand is just started given to the students at early junior secondary school. Infact, if we can manage the algebra subject wisely and attractively, it can be predicted that the students’ conceptual understanding algebra would be relatively improved. A study was conducted to the Ye…
Kadir , Kadir · Universitas Negeri Yogyakarta
A real correct and mistake basically have the same point. Mistake done by student during doing mathematics problem can have the positive values and worth to develop the new mathematics concept. In mathematics teaching, process to understand a concept sometimes will be easier if besides gave a lead real correct and also accompanied by the counter of example f…
Sukisman Purtadi, M.Si. · Universitas Negeri Yogyakarta
Redox reaction is one of difficult concepts to be understood. It is caused mainly by existing reaction redox balancing methods that give students some difficultness. For that case, this paper was meant to discuss about modifying reaction redox balancing method so that it can be acquired more easily. Algebra method is too mathematical. The more complex the re…