Teach your students how to classify polygons, specifically quadrilaterals and triangles, into a hierarchy by understanding and identifying their attributes. This comprehensive digital & printable resource pack provides everything you need to teach 5th Grade Geometry (2D Shapes). Begin the unit by reviewing polygons as well as types of lines and angles. Then, introduce the attributes of triangles and quadrilaterals, showing them how to classify them and arrange them in a hierarchy. This res