DEVELOPMENT OF MATHEMATICS LEARNING DEVICES WITH PROBLEM-BASED LEARNING MODEL ON SOCIAL ARITHMETIC MATERIALS FOR CLASS VII SMP/MTs

The implementation of the 2013 curriculum well is determined by developing learning tools. This research produces tools in form syllabus, lesson plans, and student worksheets with Problem Based Learning models on Social Arithmetic material. a development (R&D) using 4D model. instrument this study was validity validation sheet used to validate LKPD, as practical response questionnaire determine practicality LKPD. average score syllabus results 3.48 categorized very valid. shows that can be tested. RPP for LKPD 3.51 3.47 practical.