Key Features Description Pythagoras always seems so curious - up in the tree with the birds, spying on dockworkers, or messing about with maps. But curiosity and work pay off when he discovers a pattern that gets him on everyone's good side. "This clear and interesting explanation of the theorem is a wonderful read."-SLJ Pythagoras always seems so curious - up in the tree with the birds, spying on dockworkers, or messing about with maps. But curiosity and work pay off when he discovers a pattern that gets him on everyone's good side. "This clear and interesting explanation of the theorem is a wonderful read."-SLJ Standards 4.MD.C.5 Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement: 4.MD.C.5 Recognize angles as geometric shapes that are formed wherever two rays share a common endpoint, and understand concepts of angle measurement: Product Details Item #: NTS974201 ISBN13: 9780439742016 Format: Paperback Book Pages: 32 Genre: Historical Fiction Grades: 4 Lexile® Measure: AD600L Guided Reading Level: GR Level S DRA Level: 40 - 50 ACR Level: 3.8 Key Features Item #: NTS974201 ISBN13: 9780439742016 Format: Paperback Book Pages: 32 Genre: Historical Fiction Grades: 4 Lexile® Measure: AD600L Guided Reading Level: GR Level S DRA Level: 40 - 50 ACR Level: 3.8, ISBN13:9780439742016 ISBN10:0439742013 Material Type:paperback