Lai, C. F. (2010). Error analysis in Mathematics (Technical Report No. 1012). Eugene, OR: Behavioral Research and Teaching, University of Oregon. Error analysis is a method commonly used to identify the cause of studenterrorswhen they make consistent mistakes. It is a process of reviewing a student’s work and then looking for patterns of misunderstanding. Errors in mathematics can be factual, procedural, or conceptual, and may occur for a number of reasons. TechRpt_1012