Stories from Social Studies are central to the Mind Missions experience. Leveled text stories provide informational text that meets students at their most appropriate reading level. The right leveled story will be easy to comprehend and challenging enough to allow for progress. Lessons for First Grade are offered at three lexile levels. Beginning stories are provided at 100-200 lexile measures. On-level stories are offered at 200-300 and 300-400 lexile measures. Most above-level Mind Missions stories measure at a 400-500 lexile. Using the most appropriate reading level encourages students to love informational text and the wonderful stories found in Mind Missions.