Efforts to Improve the Ability to Understand Mathematical Concepts of Grade VIII Junior High School Students through the Development of LKPD Based on a Contextual Approach to Opportunity Material

Abstract

This study aims to determine valid forms of LKPD and find out the results of developing worksheets for students with opportunity material in an effort to improve the ability to understand mathematical concepts of grade VIII students who meet valid criteria. The development model used in this study is ADDIE which includes the stages of analysis, design, development, implementation and evaluation. But this research is only limited to the development stage. The instrument used to measure the validity of LKPD developed is a validity questionnaire by expert lecturers and mathematics teachers. The validity of LKPD is assessed from the assessment of experts with a maximum score of 4 for each statement. The results of the LKPD assessment from four lecturers and two teachers amounted to 3.83 so that it can be interpreted that the LKPD developed has a very valid category.