I can describe the characteristics of a polygon using mathematical vocabulary.
I can reason about the area of any polygon by decomposing and rearranging it, and by using what I know about rectangles and triangles.
12
I know what the surface area of a three-dimensional object means.
13
I can describe the features of a polyhedron using mathematical vocabulary.
I can explain the difference between prisms and pyramids.
I understand the relationship between a polyhedron and its net.
14
I can match polyhedra to their nets and explain how I know.
When given a net of a prism or a pyramid, I can calculate its surface area.
15
I can calculate the surface area of prisms and pyramids.
I can draw the nets of prisms and pyramids.
16
I can explain how it is possible for two polyhedra to have the same surface area but different volumes, or to have different surface areas but the same volume.
I know how one-, two-, and three-dimensional measurements and units are different.
17
I can write and explain the formula for the volume of a cube, including the meaning of the exponent.
When I know the edge length of a cube, I can find the volume and express it using appropriate units.
18
I can write and explain the formula for the surface area of a cube.
When I know the edge length of a cube, I can find its surface area and express it using appropriate units.
19
I can apply what I know about the area of polygons to find the surface area of three-dimensional objects.
I can use surface area to reason about real-world objects.