Arizona Game and Fish Department: Focus Wild Arizona Activity Sheets - State Symbols 2: State Birds
Arizona Game and Fish Department

In 1931, the Legislature selected the cactus wren to be the official state bird of Arizona.

Crash Course: Study Hall Algebra #10 - What Does "Graphing an Equation" Mean?
Crash Course

If you’ve had much experience with Algebra and Geometry, you know that graphs are a thing.

Crash Course: Study Hall Algebra #11 - Graphing the Quadratic
Crash Course

In this episode of Study Hall: Algebra, James talks about how graphing the Quadratic Equation works.

Illuminations: Supreme Court Handshake
Illuminations (National Council of Teachers of Mathematics)

During this lesson, students will explore the handshake problem, a classic problem in mathematics that asks, “How many handshakes occur when n people shake hands with each other?”