The purpose of this action research project was to evaluate the errorless learning technique as a method of teaching middle school students with disabilities math fact fluency. The study included seven participants, all middle school-aged boys. The research was conducted in a rural middle school in Northwest Iowa. Quantitative data was collected and compared from the beginning of the study in the baseline collection to the post-test. Results suggest that the errorless learning technique is an effective method for teaching math fact fluency.