Using 2 graphic views

Area and Perimeter: one view for geometric construction; another for graphing

Find the GeoGebra file: http://www.geogebratube.org/material/show/id/40184

Antiderivative: Using 2 graphic views for exploring relation between two functions

Find the GeoGebra file: http://www.geogebratube.org/material/show/id/40862