Let’s look at tiling patterns and think about area.

Let’s create shapes and find their areas.

Let’s decompose and rearrange shapes to find their areas.

Let’s investigate the characteristics and area of parallelograms.

Let’s investigate the area of parallelograms some more.

Let’s compare parallelograms and triangles.

Let’s use what we know about parallelograms to find the area of triangles.

Let’s write and use a formula to find the area of a triangle.

Let’s investigate polygons and their areas.

Let’s cover the surfaces of some three-dimensional objects.

Let's use nets to find the surface area of polyhedra.

Let’s draw nets and find the surface area of polyhedra.

Let’s find out how much material is needed to build some tents.