Drawing and classifying figures

This Application Problem is a part of the Lesson 15, Unit 4, Grade 4. This Application Problem reviews segments and points from Lesson 1, perpendicular lines from Lesson 3, lines of symmetry from Lesson 12, classifying triangles from Lesson 13, and constructing triangles from Lesson 14. It also links knowledge of the attributes of a square from previous grades, bridging to this lesson's objective of classifying quadrilaterals. Provide alternatives to constructing polygons with pencil and paper to students working below grade level and others.