Expand brain-power with this collection of critical and creative thinking worksheets! 46 thematic language arts, science, and social studies topics will work on strengthening originality, generalizing, patterning, thinking fluently, and problem solving skills. The puzzles, matching, writing, language, and other types of exercises will get kids thinking outside the box. Answer key with reduced student pages and overlaid correct answers are included. 158 reproducible pages, softcover. Grade 5.