1. Parallelograms Rhombus Square Parallelogram Rectangle
Parallelogram
Rectangle
Rhombus
Square
opposite sides parallel
opposite sides congruent
opposite angles congruent
consecutive angles supplementary
four right angles
four congruent sides
diagonals bisect each other
diagonals congruent
diagonals perpendicular
diagonals angle bisector

3. Sometimes, Always or Never……
A parallelogram is ? a polygon.
A parallelogram is ? a rectangle.
A rectangle is ? a square.
A quadrilateral is ? a rhombus.
A trapezoid is ? a square.
A square is ? a rectangle.
A rectangle is ? a parallelogram.
A parallelogram is ? a square.
A quadrilateral is ? a rectangle.
A square is ? a parallelogram.