Findings about Lines and Their Slopes
Online
NLVM: Geoboard - Coordinate
This geoboard is great. Use the bands to create different shapes. Click the Measures button to display/hide the Perimeter and Area of the selected shape. A coordinate plane and ordered pairs have been incorporated into the interface.
Shodor Interactive: General Coordinates Game
A simple tool to demonstrate the concept of "rise over run."
Offline/Local: N/A