<![CDATA[The purpose of the research to generate problem based module on the materials of linear program arevalid and practical in SMKN 6 Padang. The type of this research is Research and Development(R&D) by using ADDIE model. ADDIE model consist of five stages, i.e. Analyzing, Designing,Implementing, and Evaluating. The research instrument is (1) sheet validation, (2) questionnairepracticalities and (3) guidelines for the interview. The subject of this research consists of six studentsclass XI SMKN 6 Padang and four validator consisting of lecturer math, Indonesian teacher and twomath teachers. The validity test result of problem based module of valid criteria is 3,9. The practicaltest result of students shows that a very practical category is 84,2 % and teachers shows that a practicalcategory is 80 %. It can be concluded that a problem based module for linear program material at tenthgrade of SMKN 6 Padang are valid and practical.]]>
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