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.

Summarizing.
Transforming by moving grid vs. transforming by moving triangles.

 

 

 

 

 

 

 

 

NOTE: The password for the video clips is lessonstudy.

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