Build critical thinking skills while enhancing their vocabulary and test scores with Unlocking Analogies. Students will learn analogies that deal with shapes and pictures, similarities, part to whole, use to object, antonyms and other common analogy types. Exercises are given a variety of ways, helping students understand the ways in which analogies can be used, and cementing their mental understanding of comparing words. Each unit begins with picture activities to provide a visual connection to the analogy presented. 48 reproducible pages, softcover with answer key. Middle School Grades.