# ALEX Classroom Resources

ALEX Classroom Resources
Subject: Mathematics (9 - 12), Mathematics (7 - 12)
Title: Cone Surface Area | School Yourself Geometry
URL: https://aptv.pbslearningmedia.org/resource/geometry-cone-surface/cone-surface-area-school-yourself-geometry/
Description:

Use the Pythagorean theorem to unroll a cone and find its surface area with this interactive video from the School Yourself Geometry series.

Subject: Mathematics (9 - 12), Mathematics (8 - 12)
Title: Cavalieri's Principle (3D) | School Yourself Geometry
URL: https://aptv.pbslearningmedia.org/resource/geometry-cavalieri-3d/cavalieris-principle-3d-school-yourself-geometry/
Description:

Apply Cavalieri's principle to determine when two solids must definitely have the same volume with this interactive video from the School Yourself Geometry series.

Subject: Mathematics (9 - 12), Mathematics (8 - 12)
Title: Volumes for Different Prisms (and Cylinders) | School Yourself Geometry
URL: https://aptv.pbslearningmedia.org/resource/geometry-other-prism-volume/prism-volume-school-yourself-geometry/
Description:

How can you find the volume of prisms that aren't rectangular? Learn how with this interactive video from the School Yourself Geometry series.

Subject: Mathematics (9 - 12), Mathematics (8 - 12)
Title: Sphere Volume | School Yourself Geometry
URL: https://aptv.pbslearningmedia.org/resource/geometry-sphere-volume/sphere-volume-school-yourself-geometry/
Description:

Use the Pythagorean theorem and apply Cavalieri's principle to cones and cylinders to find the volume of a sphere with this interactive video from the School Yourself Geometry series.

Subject: Mathematics (9 - 12), Mathematics (8 - 12)
Title: Strange Shapes | MIT's Science Out Loud
Description:

In school, you learn about shapes with sides and edges, but there are weird shapes out there (beyond our 3 dimensions) that defy our normal idea of geometry. QuanQuan and Jenny explain, knit, and 3D print their way through these strange shapes.

Subject: Mathematics (9 - 12)
Title: Precalculus and Advanced Topics Module 3, Topic A: Polynomial Functions and the Fundamental Theorem of Algebra