Mathalicious: Downside Up

In this lesson, students use positive integers, negative integers, and absolute value to describe the emotions of a day and discuss the important role that different emotions play in our lives.

Mathalicious: Sharper Image

In this lesson, students interpret graphs and use right triangle trigonometry to explore the relationship between focal length, viewing angle, and blurriness.

youcubed: Maths and Art
youcubed (Stanford University)

Mathematics and art intersect in our world in beautiful ways.