This article investigates the value of a math dictionary in the elementary classroom and if elementary students prefer using a traditional math dictionary or a dictionary on an iPad. In each child's journey to reading with understanding, the dictionary can be a comforting and valuable resource. Would students find a math dictionary to be a useful resource in the classroom? Would students prefer to use a traditional math dictionary or a dictionary app on an iPad? Fourth graders were surveyed to find the answers to these two questions. The results are shared in this article.(Contains 3 tables and 3 figures.)