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Lexi Armstrong Geogebra

Author:Lexi Armstrong

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Parallelogram Anatomy
Rolling an Equilateral Triangle
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Rolling Circles and Polygons

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Circle Properties
Garrett's awesome Angle Sum Theorem
Animation 255
VESTIDO
Creating Qs to Promote Student Thinking (Webinar: Part 2)

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Quadratic Equations
Means
Geometric Mean
Geometry
Straight Lines

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