Development of student's worksheet based on realistic mathematics education (RME) approach to know students’ mathematical problem solving abilities

This research is development research to produce student's worksheet based on a valid, practical and effective realistic mathematics education (RME) approach to know the mathematical problem solving abilities of vocational students in geometry transformation material of the translation sub topic. Thiagarajan's 4-D model was chosen as the research design to be used in this study. The 4-D model consists of 4 steps named define, design, develop and disseminate. The theme tthat choosen as a topic in development of student's worksheet was Batik Bondowoso. Based on the results of the study, it can be seen that (1) the development of student's worksheet has been valid based on validation by experts; (2) The development of student's worksheet can be effective and practical based on trials, where the learning objectives have been achieved and the student responses are positive.