Shodor is a national resource for computational science education, sponsored by the NSDL and CSERD. In order to help students better comprehend and learn the mathematical components of computer science, Shodor has...

This geometry lesson from Illuminations aids students in the transition from using two-column proofs to paragraph-style proofs. The material helps students to understand proofs as chains of statements, and learn to think...

This geometry lesson from Illuminations uses the model of the orbits of Mars and Earth relative to the sun to illustrate parametric equations. As an interdisciplinary learning activity, the material may be used in...

Working at the University of Nottingham, Dr. Rebecca Taylor and her colleagues have created this very fine set of resources designed to assist teachers who seek to utilize mathematics in the service of teaching...

This geometry lesson from Illuminations asks students to draw two line segments through a point on the diagonal of a parallelogram and parallel to the sides. Students will examine a geometric shape, analyze the patterns...