# ALEX Resources

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 Learning Activities (3) Classroom Resources (3)

ALEX Learning Activities
Subject: Mathematics (9 - 12), Mathematics (9 - 12)
Title: Polygon Book Project
Description:

In this activity, students will investigate patterns and relationships related to the interior and exterior angles of polygons.  Students will also use Geogebra to construct regular and irregular polygons.

This activity results from the ALEX Resource Development Summit.

Subject: Mathematics (9 - 12)
Title: Geometric Constructions with Dynamic Geometric Software
Description:

Geogebra is a free downloadable geometry software package that provides for both graphical and algebraic input.  It will allow students the opportunity to use interactive software to do constructions.

Subject: Mathematics (9 - 12)
Title: Virtual Geometry
Description:

Geometry Pad is an iPad App that provides students interactive practice in creating geometric shapes and understanding geometric concepts. This app helps students learn geometry using an engaging and interactive coordinate plane.

ALEX Learning Activities: 3

ALEX Classroom Resources
Subject: Mathematics (9 - 12), Mathematics (9 - 12)
Title: The Origami Revolution | Math and Science Modernize an Ancient Tradition
Description:

Discover parallels between the natural world and origami—the Japanese art of paper folding—and witness how artists, mathematicians, and scientists are pioneering complex new designs, in this video from NOVA: The Origami Revolution. While origami is steeped in tradition, computer programs are being used today to develop new, more complex designs so that almost any three-dimensional object can be translated into a two-dimensional pattern that can be folded to model the object. This resource is part of the NOVA Collection.

Subject: Mathematics (9 - 12), Mathematics (9 - 12)
Title: Geometry Module 1, Topic A: Basic Constructions
URL: https://www.engageny.org/resource/geometry-module-1-topic-overview
Description:

Students begin this first module with Topic A, Constructions. Major constructions include an equilateral triangle, an angle bisector, and a perpendicular bisector. Students synthesize their knowledge of geometric terms with the use of new tools and simultaneously practice precise use of language and efficient communication when they write the steps that accompany each construction (G.CO.1).

Subject: Mathematics (9 - 12), Mathematics (9 - 12)
Title: Geometry Module 1, Topic G: Axiomatic Systems
URL: https://www.engageny.org/resource/geometry-module-1-topic-g-overview
Description:

In Module 1, Topic G, students review material covered throughout the module. Additionally, students discuss the structure of geometry as an axiomatic system.

ALEX Classroom Resources: 3