Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F If.3 Snake on a Plane

For Teachers 9th - 10th Standards
In a video game called Snake, a player moves a snake through a square region in the plane, trying to eat the white pellets that appear. This task has students approach a function via both a recursive and an algebraic definition, in the...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: G Gpe Explaining the Equation for a Circle

For Teachers 9th - 10th Standards
This problem examines equations defining different circles in the x-y plane. Students must use the Pythagorean Theorem to find equations whose solutions are points on the circle and explain why they work. Includes a GeoGebra worksheet...
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University of Alabama: Government

For Students 9th - 10th
Overview in note form on social and political philosophy comparing Plato, Locke, and Hobbes. Scroll to "natural rights" which the author discusses in context for understanding the political and social philosophies of these political...