Quadrilateral Properties (Parallelograms, Rectangles, Rhombi, Squares, Trapezoids) True or False ActivityThis engaging PowerPoint activity will help students review the properties of quadrilaterals. This includes parallelograms, rhombi, rectangles, squares, trapezoids,and isosceles trapezoids. Students read the statement on the board, hold up their green card if it's true, or their red card if it's false. Answers can be checked on the PowerPoint by clicking on the green check or red X. There