The Development of Student Worksheet Based on Pictorial Riddle Model to Improve Critical Thinking Ability in Elementary School

This research and development aims to develop and describe the feasibility and effectiveness of mathematics student worksheet based on pictorial riddle model in improving students' critical thinking skills. The type of research used is research and development that refers to the theory of Borg and Gall. The population of this study was fourth grade students of Elementary Schools in Bangunrejo. The study sample was 32 fourth grade students of Tanjung Jaya Public Elementary School 1 which were determined by purposive sampling technique. Data was collected through questionnaire sheets, observation sheets and test questions. The results of the study showed that the student worksheet based on pictorial riddle model was feasible, and effective for improving students' critical thinking skills. Keywords: The development of student worksheets, pictorial riddle. DOI: 10.7176/JEP/10-23-01 Publication date: August 31st 201