Matematika

Lack of innovative learning media that is interesting, practical and easy to use in learning such as listening to lesson modules or seeing powerpoint shows used by teachers, thus causing learning to be ineffective, unattractive, and slow to understand, this results in a lack of understanding of mathematical concepts. Because of this, researchers are trying to develop an interesting and interactive learning media.

The research is aimed to analyze students’ difficulties in studying calculus on inequality and limitfunction in Calculus subject. The research is qualitatively analyzed using descriptive data taken inacademic year of 2018/2019 at the University of Putra Indonesia YPTK, Padang. The subject of the research is53 students majoring in Computer System. The samples are 6 students grouped into 2 high-grade students, 2middle-grade students and 2 low-grade students. Each class taken has already represented the average scores.The research is done in February until April 2019.

Culture is a habit that contains essential and fundamental elements and also strongly related to human life and passed down from generation to generation. Culture can be used as a medium of learning for students at school as well as learn the culture itself. Mandailing is one of the tribes of North Sumatra that has a culture of customs, heritage, distinctive traditions, and different from other cultures that must be preserved.

This research aims to determine differences in student anxiety levels based on gender and the relationship between students' anxiety levels before facing a mathematical test with achievement and then dig deeper information about the causes of anxiety in students. This research uses a mixed-method with a sequential explanatory approach. The subjects of this study were students of class X MIA Kerinci Senior High School 2 totaling 100 students.

This research is aimed at describing the development of students’ worksheets of a mathematics subject for deaf students and finding out the effectivity of mathematics worksheets for deaf students toward the learning process. Multiplication is selected due to its ability to represent mathematics subjects which will be developed for deaf students. This research uses research and development method (R&D) with 6 deaf subjects in grade V in special needs education Sri Soedewi Masjchun Sofwan Jambi.

Quantitative Reasoning is the students' ability to concluded a problem solved. The purpose of this research has information about algebraic thinking processed on the student with low ability based on Quantitative Reasoning ability. Methods used qualitative descriptive with a purpose for a description of algebraic thinking processed on mathematics problem solving basic material on function with the low ability of students based on quantitative reasoning ability. This paper used an algebraic ability paper test and interview transcript.

This research aims to describe the process of students’ worksheet development for math subjects and find out the quality of students’ worksheets produced for geometry subject which is based on Jambi culture. This research applies research and development (R&D) method to produce a particular product. The development model applied in this research is ADDIE with 5 stages, analysis, design, development, implementation, evaluation.

This paper describes the validity analysis of applied statistical teaching materials based on ICT and project integrated which one of the first step of research and development, namely expert judgment. The instruments used in this study are the validation sheet of materials and ICT experts.

Learning equipment is important things that determine the quality of the learning process and output. We need a study about validity, practicality, and effectiveness of the learning equipment to ensure teaching and learning quality. The purpose of this research is to evaluate the validity of the learning equipment based on guided discovery, especially the students’ worksheets. This research was a descriptive qualitative research that provides the result of students’ worksheets and experts' recommendations.

This study aims to analyze the mathematics learning quality of primary school students using a thematic approach. This research subject was primary school student one grade of SD Negeri 4 Sidorekso, Kudus. This study type was classroom action research that involves 30 students. The method used descriptive qualitative. The data collected by diagnostic test techniques, observation and interview sheets. The analysis showed an improvement in mathematics learning.  It can be seen in the first cycle increased from 63% in the first meeting to 69% at the second meeting.