“Book Descriptions: Key Features Description Assisted by his knight, Sir Cumference, and using ideas offered by his wife and son, King Arthur finds the perfect shape for his table. Assisted by his knight, Sir Cumference, and using ideas offered by his wife and son, King Arthur finds the perfect shape for his table. Standards 3.MD.D.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters. 3.MD.D.8 Solve real world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters. Product Details Item #: NTS215 9780590002158 Paperback Book 32 Comedy and Humor, Functional and How-To 3 - 5 Lexile® AD600L Guided Reading GR Level Q DRA 40 ... ACR 4.3 Show Less Show More Key Features Item #: NTS215 9780590002158 Paperback Book 32 Comedy and Humor, Functional and How-To 3 - 5 Lexile® AD600L Guided Reading GR Level Q DRA 40 ... ACR 4.3” DRIVE