DEVELOPMENT OF HOTS-BASED FUNCTION DERIVATIVE WORKSHEET THROUGH A NETWORK LEARNING SYSTEM SPADA

This study aims to develop a valid, effective, and practical HOTS-based worksheet for calculus courses in the Mathematics Education Department. The development of the worksheet is expected to improve critical and creative thinking skills, which is implemented through the Online Learning System (SPADA). This research is development research with the research subject being 27 students of Mathematics Education, Muhammadiyah University of Makassar. The instruments used in this study were instrument validation sheets, test, and student response questionnaires. This worksheet development process is adapted from the model of development of the 4-D models, which consists of define, design, develop, and disseminate. The results of the validation assessment were an average score of 3.61 in the valid categories. The result of the lecturers' practicality at 3.6 with the practical category. Furthermore, the results of the effectiveness assessment through the HOTS test showed that the percentage of classical completeness was 86.7%. The students' responses showed a positive response to this worksheet. The assessment results showed that the average pretest was 46.85, while the postest was 74.81. There is an increase in the average value of higher-order thinking skills from pretest to postest in field trials. So it produces worksheets based on HOTS through SPADA that have met the valid, practical, and effective aspects and can facilitate students in practicing their higher-order thinking skills.

DEVELOPING THE PROBLEM OF NUMERATION LITERACY WITH ISLAMIC CONTEXT

This study aims to develop assessment questions or instruments to measure students' numeration literacy skills integrated with the Islamic context. The research was conducted through 4 stages: initial assessment, design, test making, and a study of problem items then limited trials and analysis. The instruments used include algebra and statistics by taking the Islamic context of zakat material. Experts validated the instrument, and the validation results were analyzed using Aiken's formula. The instrument was also tested online and limited to 22 students of grade 8 MTsN 1 Surabaya. The test results were analyzed using product-moment correlation to determine its empirical validity and used alpha Cronbach to determine its reliability. The results showed that the 6 questions developed are valid with a validity value of 0.783. This result is reinforced by empirical validity results that show that the instruments developed are valid in terms of material/content, construct, and language. The reliability test results using alpha Cronbach obtained the reliability coefficient is 0.72. The instrument developed in this research is expected to be one of the references of students in practicing their numeracy skills and preparing to face national assessments by the Ministry of Education. Because it was found in this study that students have difficulty answering the question of numeration literacy with Islamic context. This case shows that students' numeration literacy skills are still low.

ANALYSIS OF ELEMENTARY SCHOOL STUDENTS DIFFICULTIES’ IN SOLVING INTEGER WORD PROBLEMS

This type of research is descriptive qualitative with a case study approach. This study aimed to identify forms of students’ conceptual and principle difficulties in solving integer story problems. The research participants were 34 fifth-grade elementary students. The purposive sampling technique was used to select research subjects based on the minimum completeness criteria value. Methods of data collection using tests and interviews. Data analysis techniques include data reduction, data presentation, and drawing conclusions. The results showed that there were two types of difficulties for elementary school students in solving integer story problems, namely, conceptual difficulties and principle difficulties. The form of conceptual difficulties experienced by students is the difficulty in converting story problems into mathematical form. Besides that, students tend not to write down the steps according to solving story problems, and the principal difficulties experienced by students include errors in performing mathematical calculations. This can be minimized by increasing practice questions in the form of story problems.

ANALYZING CONTENT KNOWLEDGE OF PROSPECTIVE ELEMENTARY SCHOOL TEACHERS ON THE MATERIAL OF FRACTIONAL ARITHMETIC OPERATIONS

Teacher quality is one of the most influential factors in student learning. In-depth material knowledge (content) is very important for prospective teachers who will one day become teachers. Thus, analyzing and describing the Content Knowledge (CK) of prospective teachers needs to be done. The purpose of this study is to describe the CK of prospective elementary school teachers (SD/MI) on the material of fractional arithmetic operations. The subjects of this study were three students from Ar-Raniry State Islamic University of Banda Aceh. This research includes qualitative descriptive research, so that the data were analyzed using qualitative data analysis, namely data reduction, data presentation, and drawing conclusions. Data collection in this study was carried out through tests and combined with interviews so that the instruments used were test questions and interview guidelines. The study results indicate that the content knowledge of the three elementary teacher candidates was still weak, there were teacher candidates who did not understand the arithmetic operation hierarchy and still made carelessness in the concept of fractional arithmetic operations.

DIAGNOSIS OF STUDENTS’ ERRORS IN FINDING AREAS BY INTEGRATION

This study aims to diagnose students' errors in finding the area using integration. Errors can be seen from the student completion steps that are not correct. This type of research is qualitative research. The applied instruments were diagnostic tests and interview guidelines. The subjects consisted of Universitas Muhammadiyah Parepare students from Mathematics Education Study Program. Then, the researchers selected three subjects from 23 subjects that committed various errors. The results showed that the errors were: (1) Conceptual error, (a) substitution errors for the lower bound and upper bound, (b) misunderstanding in drawing the graph of a function. (2) Procedural errors dealing with incorrect calculation operation. (3) Final solution errors dealing with incapability to find the accurate answers based on the questions. Therefore, it is necessary to diagnose errors made by students using integration to calculate the area so that for lecturers, it becomes a reference to minimize errors made by students and find solutions for the mistakes made.

THE EFFECT OF FAMILY HARMONY AND SCHOOL ENVIRONMENT ON STUDENTS’ LEARNING OUTCOMES IN MATHEMATICS SUBJECT

This study aimed to determine the effect of family harmony and school environment on students learning outcomes in mathematics for grade VII SMP Negeri 2 Tinambung. This research is an ex post facto research, causal-comparative research with a research sample of 70 students selected using probability sampling (proportionate stratified random sampling). The data collection techniques used the family harmony questionnaire, school environment questionnaire, and mathematics learning outcomes test. The data analysis techniques use descriptive and inferential statistical analysis. The results of this study are (1) family harmony has a positive and significant effect on student learning outcomes in mathematics, (2) the school environment has a positive and significant effect on student learning outcomes in mathematics, and (3) family harmony and school environment together have a positive and significant effect on students learning outcomes in mathematics. The recommendation is to create a good school environment to support the learning process. Also, efforts should be made to harmonize families by conducting joint activities with all family members, love each other, create a peaceful home atmosphere, build good and open interaction and communication between family members so that it is possible for children to get a good atmosphere in learning in order to achieve better learning outcomes.

DESCRIPTION OF MATHEMATICS PROBLEM SOLVING ABILITY IN TERMS OF LEARNING STYLE

This study aims to describe and determine students' abilities to solve mathematical problems that focus on visual and auditory learning styles. Subjects are eighth-grade students from junior high school in Bulukumba district. This research is descriptive qualitative, which seeks to determine and describe the mathematical problem solving ability in terms of student learning styles. Data is collected using questionnaires, tests, and interviews. The use of questionnaires describes visual learning styles and auditory learning styles. Two numbers of the test determine mathematics problem solving ability in Polya's step, and interviews confirm mathematics problem solving ability. The data analysis techniques are reduction, presentation, and verification. Based on the results, the first subject with a visual learning style can fulfill all the indicators of Polya's steps, but another one is just three indicators. The first subject with an auditory learning style can meet all Polya's steps, but the other can fulfill three indicators.

CALCULUS LEARNING VIA SCREENCAST-O-MATIC DURING THE PANDEMIC: AN EXPLORATION TOWARDS STUDENTS’ PERCEPTION OF MATH ANXIETY

The emergence of the Covid-19 pandemic has transformed the learning system into an online mode, where students' anxiety became the spotlight for educators to create a learning environment that actively engages them. Many educators are competing in maximizing the use of technology to ensure students are engaged in the learning process. The study aims to explore students’ perception of math anxiety through the implementation of Screencast-O-Matic in calculus learning. This study involves 41 students at the university level and is conducted in mixed methods, using statistics and narrative descriptives. Questionnaires and open-ended questions are used to investigate students’ testimonies about the video made by Screencast-O-Matic and their perceptions of math anxiety after learning with the video given. The results showed that the implementation of Screencast-O-Matic video gradually reduces students’ mathematics anxiety during online calculus learning. Screencast-O-Matic offers educators the opportunity to build a web-based lecture learning system in audio-visual media to minimize students' anxiety levels. Furthermore, the most important things to consider while creating an educational video are clarity of message, user-friendliness, good visualization, and easy access to students anytime and anywhere.

DEVELOPING DIGITAL MODULE USING FLIP PDF PROFESSIONAL TO FACILITATE STUDENTS’ MATHEMATICAL COMMUNICATION SKILLS ON NUMBER PATTERN MATERIAL

This study aims to develop a digital module using Flip PDF Professional to facilitate students' mathematical communication skills through contextual problems. This research is Research & Development (R&D). The development model used is the ADDIE development model. The stages in the development model are analysis, design, development, implementation, and evaluation. The digital module was piloted to class VIII A MTs Al Ichsan students for the 2020/2021 academic year. The module was compiled to meet the valid, practical, and effective criteria. Based on the results of the study, it was obtained that (1) The digital module is declared “valid” with an average expert score of 88% with the “excellent” criteria. (2) The digital module is declared “practical” with an average score percentage of 90% with the “excellent” criteria. (3) The digital module is declared “effective” with an average score percentage of 88% with the “excellent” criteria. The analysis results of the effectiveness of the digital module to facilitate mathematical communication skills show that the average test results of students are more than the minimum completeness criteria. This module can be further developed by other researchers discussing different materials or made even more exciting and developed using other application assistance.

THE EFFECT OF VIRTUAL LEARNING THROUGH ONLINE LEARNING SYSTEM (SPADA) ON STUDENTS' LEARNING OUTCOMES IN ALGEBRAIC STRUCTURE COURSE IN DEPARTMENT OF MATHEMATICS EDUCATION, MUHAMMADIYAH UNIVERSITY OF MAKASSAR

This study aims to determine the effect of treatment on student learning outcomes in the algebraic structure course at the Department of Mathematics Education of the University of Muhammadiyah Makassar in virtual learning through the online learning system (SPADA). This study is a quasi-experimental design with a post-test-only control group whose results were analyzed using descriptive analysis and inferential analysis (mann whitney test). The population is the class of 2019 who is programming an algebraic structure course consisting of 3 classes, then a sample consisting of 2 classes was selected, namely, one experimental class taught through SPADA, and one control class taught in addition to using SPADA, namely, zoom meeting, google meet, email, and whatsApp groups. The instrument used is a test of student learning outcomes. The results obtained are that the average learning outcomes of students who are taught through SPADA are higher than the average learning outcomes of students who are taught other than through SPADA, but the results of the Mann Whitney test show that there is no significant difference from the learning outcomes of students who have been taught through SPADA or other than SPADA. Researchers suggest that providing virtual learning not only relies on one learning media but also on the synergy between one media and another, which will further optimize virtual learning.