Set includes 10, 2-step area and perimeter problems with rectangles and squares. Students have to identify which problems are solved correctly and which aren't. Then students either solve correctly OR find another way to solve. Great for whole group discussions, small group reteaching/extension, math centers, or math test prep! Includes 10 problems, a one-size-fits-all answer sheet and answer keys. Encourages high level thinking, math discourse, and problem solving.