The aim of this study is to determine the learning difficulties in the perimeter and area of circle and perpendicular cylinder of the
seventh year students in primary education, and to determine the effectiveness 4MAT teaching model overcoming learning
difficulties. The study is planned as with pro-test, last-test control group experimentally design model. The study is applied to 83
students (primary school, 7. class). The findings of this study indicated that students had had learning difficulties about the
perimeter and area of circle and perpendicular cylinder, and 4MAT based teaching was effective in overcoming these difficulties,
whereas, traditional method was not effective in overcoming learning difficulties.