This includes notes (with an example of each) for perimeter and area of a rectangle... can also be used for a square and parallelogram. The second sheet is a worksheet that is designed to be used as examples, guided practice, or independent practice. The second sheet includes graph paper so the students will be able to correctly draw the rectangles.
I printed this off as double sided for my class and used the second sheet as independent practice. My reasoning for this was so that students had the notes directly on the other side to help them if needed.