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Roy Wright
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Roy Wright's resources
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Geometry and Operation of a Sextant
Activity
Roy Wright
Three-digit whole numbers
Activity
Roy Wright
How Far Can You See?
Activity
Roy Wright
The foci of an ellipse, reflected across its tangents (2)
Activity
Roy Wright
Roy Wright's favorite resources
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Organic Sine Graph and Equation
Activity
Steve Phelps
JavaScript API Example: registerAddListener()
Activity
Michael Borcherds
Complex Operations as Transformations
Activity
Steve Phelps
Messing with GeoGebra Turtles!
Activity
Steve Phelps
