Proportion problems are problems that are often found in real life. For that, we need to be
able to solve problems related to proportion. But some of us make the mistake of solving …

The ratio and proportion is one of the basic concepts in mathematics. This concept is not
only used to solve problems in mathematics but also in other disciplines and in daily lives …

Proportion is one of the subjects taught at every level of education. Nevertheless, most
students only get memorable formula without knowing its meaning. This can lead to less …

This study analyzed problem solving abilities of the students on mathematical differential.
Descriptive qualitative applied in this study with 26 students of secondary school; 16 males …

This study intends to investigate how students' understanding of ratio and proportion
concept indicates epistemological obstacles. It was part of Didactical Design Research …

Often teachers provided examples and exercised to students with regard to comparative
problems consisting of one quantity. In this study, the researchers gave the problem of …

Ratio and proportion are mathematics topics that are learned in elementary school. In the
learning process, teachers often found students who have difficulties in learning these …

In order to achieve learning objectives optimally, learning is designed with attention to
students' learning obstacles. The purpose of this research was to analyze the obstacles of …

This research aims to analyze of students error on mathematics literacy problems related to
trigonometry in secondary school. The error in solving this literacy problem was analyzed …

Many studies reported that the students lack understanding on the topic of ratio and
proportion. This topic basically becomes a cornerstone for understanding the other …