Lessons for G.MG.A.1
Area of a regular polygonSplitting a regular polygon into equal triangles from the center and adding their areasLesson
Modeling with solids: density and designDescribing real objects as solids and using volume, surface area and density to answer design questions.Lesson
Surface area, and how it compares with volumeUnfolding a solid flat and adding the areas of every faceLesson
Surface area of prisms and cylindersAdding the two bases to the rectangles that wrap around them.Lesson
Surface area of pyramids and conesAdding the base to the triangular faces, which use the slant height rather than the vertical height.Lesson
Surface area of a sphereA sphere has four times the surface area of a circle with the same radius.Lesson
Printable Worksheets
Area of a regular polygon worksheet (PDF)Printable worksheet with answer keyPreview
Modeling with solids: density and design worksheet (PDF)Printable worksheet with answer keyPreview
Surface area, and how it compares with volume worksheet (PDF)Printable worksheet with answer keyPreview
Surface area of prisms and cylinders worksheet (PDF)Printable worksheet with answer keyPreview
Surface area of pyramids and cones worksheet (PDF)Printable worksheet with answer keyPreview
Surface area of a sphere worksheet (PDF)Printable worksheet with answer keyPreview