Development of Learning Problem Based Learning to Increase Mathematical Connection Ability Students of SMK Darul Arqom Kerasaan.

This research aim to analysis: (1) the increasing of students’ mathematical connection ability by using learning problem based learning that has been developed, (2) the quality of learning problem based learning developed. The development of learning based on problem based learning by using the 4-D development model. The stageof this research includes define, design, develop, and disseminate. The subjects of this research were students of class X-1 and X-2 SMK Darul Arqom. From the results of trial I and trial II were obtained: (1) there was an increase in students’ mathematical connection ability on posttest trials I and trials II of 5 point, (2) according to the expert, the validity of learning material is valid, the practicality of the learning material has fulfilled the practical criteria that have reviewed from: a) the validator stated the learning materials can be used with a little revisions; b) the result of observation of learning material has been done as said good, and the effectiveness of learning material has fulfilled the effective criteria interms of: a) the mastery of students learning in classical; b) limits of tolerance that have been established on students’ active activity; c) students’ responses ispositive to the components of learning materials and learning activities.