This has students form different parallelograms - rectangle, rhombus, & square and notice special features about each. This is designed so that the students can determine the properties for each one.
Properties:
opposite sides parallel
opposite sides congruent
opposite angles congruent
all 4 sides congruent
all 4 angles are right angles
the diagonals bisect each other
the diagonals are perpendicular
the diagonals are congruent
the diagonals bisect opposite angles