Rectangle area and perimeter3.MD.C.7 / 3.MD.D.8Find the area and perimeter of rectangles, from counting unit squares to finding a missing side length.Perimeter of polygons3.MD.D.8Find the perimeter of triangles, quadrilaterals, pentagons and hexagons, and find a missing side when the perimeter is known.
3.MD.D.8 worksheets
These 2 worksheets teach Common Core standard 3.MD.D.8, part of Measurement & Data (3.MD) in Grade 3. Each has three levels and an answer key.
Make one worksheet covering 3.MD.D.8