This study focuses on identifying the reasons behind students’ specific engagement patterns in a large first year mathematics course in UCD. Maths for Business is a unique course in that students have a choice of whether to engage with the course material through lectures, videos or a combination of both. Cluster analysis of the engagement data (lecture attendance and video usage) has identified four distinct clusters of engagement. For explanations of resource use, surveys were distributed to the Maths for Business 2015/16 class (of approximately 550 students of mixed ability). 166 survey responses were received. Qualitative analysis is currently being performed on the survey responses in order to explain engagement patterns.