mathematics

Image	Title	Body
	Group Challenge: The Wave
	not sure yet
	Simple & Motorized Mechanisms: Teacher Collaboration Site
	Gear Ratios
	To the Moon and Back
	Wright's Law Edges Out Moore's Law in Predicting Technology Development
	boolean logic:prim
	Guided Turning Lesson
	Guided "Moving Straight" Lesson
	"Turning" Certificates
	Gearing Video
	Advanced Gearing, Pulleys and Wheels
	Group Challenge: The Wave
	"Move Until Dark" Certificates
	Scale of the Universe: Interactive

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