DEVELOPING MATHEMATICAL STUDENT’SWORKSHEET USING THE COOPERATIVE LEARNING MODEL

Abstract

This research aims to produce mathematical student’s worksheet using cooperative learning model that is valid and effective.This reseach is a reseach and development. Stages in the study include a preliminary stage, development, and field testing. The subjects of this research consisted of 71 students and two teachers of SMK Muhammadiyah 1 Temon, Kulonprogo. The research instruments were to assess: (1) validity: the validators’ assessment on student’s worksheet; (2) effectiveness: a questionnaire implementation of learning for teachers, a questionnaire implementation of learning for students, and a learning achievement test. The data were analyed descriptively.The results of the validation showed that the product were appropriate to use with the validity category is very good. Effectiveness of the product category is good, it can be seen fromthe score of learning outcome test which shows that 79.55% of the students pass the test. Keywords: developing, student’s worksheet, cooperative learning