Mathematics LKS, CTL, Environmental Education

The teaching materials that can be used in learning are only textbooks, the problems in the textbooks do not contain problems regarding everyday life so that learning is felt by students to be less meaningful and boring. The purpose of this study was to produce and determine the validity of Contextual Teaching and Learning (CTL) based Student Worksheets (LKS) with Environmental Education which are suitable for use in learning mathematics on the subject of Associations in class VII SMPN 4 Sungai Penuh.