"Quad" means "four" and "lateral" means "line." A quadrilateral is literally a shape with four sides (lines) and four angles. Let's learn the difference between concave and convex quadrilaterals as well as trapezoids parallelograms and rhombi.
Quadrilaterals Overview is a free educational video by Khan Academy.It helps students in grades 5 practice the following standards 5.G.3,5.G.4,.
1. 5.G.3 : Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles..
2. 5.G.4 : Classify two-dimensional figures in a hierarchy based on properties..
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