Brains On! Do We All See the Same Colors?
Brains On!

What if the color that you call blue and the color I call blue don’t look the same at all?

SciShow Psych: Magenta Is All In Your Head
SciShow Psych

The world is full of colors. Almost all of them can be described by a wavelength of visible light, but there are some colors out there that are just in your head!

Mathalicious: Belly of the Beast

In this lesson, students model the bodies of different sharks using cylinders, and explore how the volume of a cylinder changes when its dimensions change.

youcubed: Reduce, Reuse, Geometry (3-12)
youcubed (Stanford University)

Intersecting a 3D shape and a plane might seem intimidating, but a few bottles, a box cutter, and some creativity can give us some insight into what it can look like.

Illuminations: I've Seen That Shape Before
Illuminations (National Council of Teachers of Mathematics)

Students learn the names of solid geometric shapes and explore their properties.