This research aims to describe the impact of using a single image in representation on understanding the concept of fractions. The subjects in this study were six students in grades 4-7. The data collection technique used in this research is interviews conducted on research subjects one by one. Students' limitations in understanding the concept of fractions are caused by using a single image in the representation so that students had difficulty dealing with two aspects of the image in the representation, namely the difference in size and shape. The results showed that in comparing two fractions originating from a circle of different sizes, students predominantly assume that the fraction from the largest slice of the circle is the fraction that has the greatest value. There are still students who cannot state a fraction of a part that has a different way of dividing from what they usually encounter. There are still students who are affected that two parts with different shapes have different areas even though the two parts come from a flat building with the same size.
This article describes students’ view in mathematics on the way they read mathematics textbook. This study is descriptive that aims to know about the affect of students’ mathematical views on how they read math textbook and what is the solution that supposed to do for making the students understan the whole mathematics textbook. The population of this study is the students in ninth grade at Junior High School Bina Tama Palembang. There are two data collection techniques, those are questionnaire and interview, so the data is obtained from the results of the questionnaire distributed to students and recorded during the interview process. The results shows that the students who think that they understand mathematics when they are able to do worked exercises, and they purpose to read mathematics textbook in final is also when they do the exercises.
This study aims to produce valid and practical questions and discover the potential effect of PISA-Like Math Tasks on uncertainty and data content using the COVID-19 context on mathematical literacy skills. The subjects of this study were students in Grade 9 of Junior High School number 19 Palembang. The research was conducted using the research design of developmental research. The stages in question development research are the preliminary and formative evaluation stages. The preliminary stage includes analysis of student needs, curriculum analysis, and analysis of PISA evaluation instruments. The formative evaluation stage includes self-evaluation, expert reviews, and one-to-one, small group, and field tests. This study resulted in a set of PISA-Like Math Tasks on uncertainty and data content using the COVID-19 context which consisted of 7 units with 12 valid and practical questions and potential effects on mathematical literacy skills, which included communication skills, reasoning skills, mathematical abilities, representation ability, and strategy selection ability. The resulting PISA-Like Math Tasks can help students think mathematically by using ideas from different subjects to solve a given problem.
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