Twenty-three standards-based lessons use graphic organizers to help students visualize how concepts relate to one another. A Mac/Win CD gives teachers the options of printing the 23 different graphic organizers as transparencies or as student worksheets. The lessons cover a variety of topics across the curriculum. Equivalent Number Representations (math) tPhysical Science: Forces (science) Civil War (history) The Great Lakes (geography) Aesop's Fable (reading) Expository Paragraphs (writing)