Chalean Extreme Worksheets in an understanding medium may be used to try pupils abilities and knowledge by answering questions. Because in the Student Worksheet about 90% of the articles of the complete guide are issues, both multiple selection and solution issues that are not available. While the others is made up of quick summary of the subject matter. Using worksheet, teachers no further have to bother to get questions or questions. With the media the instructor is expected to concentrate on giving a optimum understanding of the specified subject. For the evaluation and test of learning outcomes, the teacher just wants to see and primary the issues currently obtainable in the worksheet. Because more or less the worksheet works as helpful tips for students in carrying out learning tasks both separately and in groups.