Standard: 3.MD.8 Cluster (s/a) ______________________________________________________________________________________ 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.____________________________________________ Essential Skills/Concepts Teaching Notes/Strategies Resources Understand the difference between Walk around the perimeter of the Table for 22: area and perimeter. room. Use side lengths to find the Use rubber bands to represent the perimeter of a shape. perimeter of a plane figure with whole number side lengths on a Find an unknown side length given geoboard. the perimeter of a shape. Trace around a shape. Understand that rectangles with the same area can have different Model using addition to find perimeters. perimeter. Understand that rectangles with the same perimeter can have different Presentations-Model how to justify areas. and communicate a solution using words, diagrams, pictures, and Solve problems with perimeter. numbers.
Standard: 3.MD.8 Cluster (s/a) ______________________________________________________________________________________ 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.____________________________________________ Essential Skills/Concepts Teaching Notes/Strategies Resources Understand the difference between area and perimeter. Use side lengths to find the perimeter of a shape. Find an unknown side length given the perimeter of a shape. Understand that rectangles with the same area can have different perimeters. Understand that rectangles with the same perimeter can have different areas. Solve problems with perimeter. Walk around the perimeter of the room. Use rubber bands to represent the perimeter of a plane figure with whole number side lengths on a geoboard. Trace around a shape. Model using addition to find perimeter. Presentations-Model how to justify and communicate a solution using words, diagrams, pictures, and numbers. Table for 22:
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