ALEX Lesson Plan Resources

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ALEX Lesson Plans  
Subject: Mathematics (8)
Title: Angles, Angles, and More Angles
Description: This lesson is designed to develop knowledge about the angles of a triangle. This lesson will prove that the interior angles of a triangle will have a sum of 180 degrees. This lesson will prove that an exterior angle is the sum of the remote interior angles. This lesson will show the relationships of the angles of parallel lines and transversals. This lesson results from the ALEX Resource Gap Project.


Thinkfinity Lesson Plans  
Subject: Mathematics
Title: Angle Sums      Add Bookmark
Description: In this student interactive, from Illuminations, students explore the sum of the interior angles of triangles, quadrilaterals and other polygons. They can select which type of shape to explore; and, for triangles and quadrilaterals, they can watch a visual demonstration
Thinkfinity Partner: Illuminations
Grade Span: 6,7,8