Measurement and Geometry
Virginia SOL 7.MG.3
Compare and contrast quadrilaterals based on properties and determine unknown side lengths and angle measures.
What students need to be able to do
- Compare and contrast properties of parallelograms, rectangles, squares, rhombuses, and trapezoids: parallel/perpendicular sides and diagonals; congruence of angle measures, side, and diagonal lengths; and lines of symmetry.
- Sort and classify quadrilaterals as parallelograms, rectangles, trapezoids, rhombi, and/or squares based on their properties.
- Given a diagram, determine an unknown angle measure in a quadrilateral using properties of quadrilaterals.
- Given a diagram, determine an unknown side length in a quadrilateral using properties of quadrilaterals.