Circles and More Circles

We've gathered a number of resources that you can use on π Day.

Media4Math Subscribers can download these resources. Previews are free.

	Google Earth Voyager Story Visit the Roman Coliseum to learn how circles played a role in the construction of this ancient structure. Click on the image to see the Media4Math activity.
	Google Earth Voyager Story Visit the Roman Pantheon to continue the exploration of circular structures. Click on the image to see the Media4Math activity.
	Pumpkin Pi A hands-on activity that has students explore the ratio of circumference to diameter. Click on the image to see the Media4Math activity.
	Why Do Rivers Meander? In this Media4Math Classroom module, explore the mathematics behind meandering rivers, specifically a ratio that involves π. Click on the image to see the Media4Math activity.
	Applications of Linear Functions: Circumference vs. Diameter. In this Media4Math Classroom module, explore the relationship between circumference and diameter. Click on the image to see the Media4Math activity.
	Circular Structures In this Media4Math Classroom module, explore properties of circles in the context of the Roman Coliseum. Click on the image to see the Media4Math activity.
	Measuring the Area of a Polygon Construct the Incircle and apothem of a regular polygon to measure the area of the polygon. TI graphing calculator activity. Click on the image to see the Media4Math activity.
	Exploring the Ratio of Circumference to Radius A a Linear Function In this activity from our Algebra Nspirations series, explore the ratio of circumference to radius using the TI-Nspire. Click on the image to see the Media4Math activity.
	Exploring the Ratio of Circumference to Radius as a Linear Function In this TI-Nspire Activity, use the Geometry and Graphing Tools to explore the ratio of Circumference to Radius as a linear function Click on the image to see the Media4Math activity.