Learning goals: Teacher Facing Comprehend that surface area and volume are two different attributes of three-dimensional objects and are measured in different units. Describe (orally and in writing) shapes built out of cubes, including observations about their surface area and volume. Determine the surface area and volume of shapes made out of cubes. Full lesson plan (warm-up, activities, synthesis, cool-down prompt) from 6.1 Area and Surface Area, Grade 6.