**Geometry**

**Quadrilaterals... explore those 4-sided figures.**

Can you identify the quadrilaterals?

Sorting Quadrilaterals

The Bottom Line on Quadrilaterals with a Game

Shape Tool

**Angles**

Turtle Pond

Circle Tool

Cyberchase Star Gazing

Using a Protractor

**Area and Perimeter**

Perimeter

Everything You Wanted To Know About Perimeter and Area!

Area of Squares and Rectangles

Area of Complex Figures

Compare the Area and Perimeter of Two Figures

Shape Surveyor: You never know what you'll find if you dig geometry.

Math Playground's Area and Perimeter of Rectangles

How does changing the length or width of a rectangle affect it's area?

Building a Putting Green

**Using Geometry Vocabulary**

Similar and Congruent

Congruent, Similar, or Neither

Lines of Symmetry

Lines, Line Segments, and Rays

Parallel, Perpendicular & Intersecting Lines