Annenberg Foundation
Geometry 3D Shapes: Euler's Theorem
How do you get a theorem named after you? Euler knows what it takes! The third lesson of five asks pupils to use an interactive activity to compare the faces, vertices, and edges of seven different three-dimensional solids. They use...
University of North Carolina
Evaluating Print Sources
Not all sources are created equal, so how do you evaluate them? Writers learn how to evaluate print sources based on elements such as audience, tone, and argument in the sixth handout of 24 in the Writing the Paper series from the...