Developing Learning Multimedia to Improve Critical Thinking in Mathematics at Class V of Elementary School

This study aims (1) to produce a learning multimedia which is feasible to improve critical thinking in mathematics at class V of elementary school, (2) to find out the effectiveness of learning multimedia to improve critical thinking in mathematics at class V of elementary school. This study is a research and development referring to the opinion of Borg & Gall. The subject trials are the fifth- grade students of SD Muhammadiyah Special Program Boyolali. The results of this research is a software of learning multimedia. The results showed that the developed of learning multimedia is feasible and effective to improve critical thinking of students. Based on the test results show that the effectiveness of the learning multimedia is effective in increasing critical thinking of students. It is based on the results of the implementation of the test field that indicates p <0.05, which means a significant influence critical thinking on student learning using learning multimedia.