What is Area? covers the concept of measuring area with square units. Colorful animated graphics illustrate how square units are used to measure area. Clear and logical presentations show how formulas for area are developed. Example problems are provided with each lesson. Prerequisites are a basic understanding of units of measure and of basic polygons.

Originally released by Allied Video Corporation, 2004. Streaming video file encoded with permission for digital streaming by Infobase on April 30, 2015.

Lesson One: Measuring a Surface (4:38); --Lesson Two: Area of a Rectangle (3:35); -- Lesson Three: Area of a Parallelogram (3:42); -- Lesson Four: Area of a Triangle (5:01);.