Area of Polygons Video Clips:

How can we show a 4x5 rectangle on a geoboard?
Meaning of area/Finding by counting or by multiplication.

Connecting parts of geometric figures with corresponding parts of a symbolic expression.

Transforming by moving grid vs. transforming by moving triangles.









NOTE: The password for the video clips is lessonstudy.

Return to NSF Toolkit page

Go to Videos main page