Check out this awesome mini unit covering mean, median, mode, and range. It includes two posters for each concept, one is for early introduction of the concept the second is designed to give a simple reminder. There are a total of six posters. There is also a cute poem to help students remember the difference in each term. There is a set of problems to use for teaching, a game for students to play to practice the skill, and a set of task cards complete with student and teacher answer sheet. There is also a foldable for students to use in their math journals. You won't be disappointed in this set!