# Polygons

Learn and practice identifying, naming, and distinguishing polygons with interactive resources from GeoGebra.

## Upper Elementary

GRADES 4-5

### Properties of Plane Figures

Use manipulatives, pictorial representations, and appropriate vocabulary (e.g., polygon, side, angle, vertex, diameter) to identify and compare properties of plane figures.

### Types of Quadrilaterals

Name polygons by the number of sides. Distinguish quadrilaterals based on properties of their sides or angles; relate quadrilaterals based upon their hierarchical attributes.

## Middle School

GRADES 6-8

### Angle Sum Properties of Triangles, Quadrilaterals, and Polygons

Use a variety of triangles, quadrilaterals, and other polygons to draw conclusions about the sum of the measures of the interior angles.

### Interior and Exterior Angles of Polygon

Use properties, definitions, and theorems of polygons to solve problems related to the interior and exterior angles of a convex polygon.

### Related Topics

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