In this lesson, learn to find the area of a parallelogram by decomposing it into a rectangle. The video reviews what area is and how to find area using square units. In the core lesson, the instructor discusses the base and height of a parallelogram ...before showing the steps of finding the area by decomposing it into a rectangle. (3:37)[more]

This video shows that visual aids such as pictures are helpful in teaching geometry. Dr. Stefan Forcey received his Ph.D. in mathematics from Virginia Tech University in 2004. He is currently teaching mathematics as an assistant professor at Tennesse...e State University.[more]

This selection contains video of a student in front of her room explaining how to find the area of her home's garden. The student has a diagram of the garden drawn on a chart. She explains the formula ( length times width) and demonstrates finding ...the area of each section and adding them to compute area of the entire garden. ( 1:03)[more]

In this musical video, Mr. Mannel teaches students how to find the area through song. He defines area and formula for squares rectangles, triangles, parallelogram, trapezium, and circle. This is a great resource to help introduce and/or to re-teach a...rea in the classroom. (2:47)[more]

This 4:43 minute long video reviews finding the area of a trinage using Heron's formula which is used to figure out the area of a triangle when height is not given. This is part of a series, but this video provides enough instruction to start student...s. The video offers specific examples at the end.[more]

Please make your comments on categories positive, and not just negative.

People work hard on educational categories, and we want to encourage them to make more!

Profanity (curse words), sexually suggestive remarks, and other such obviously inappropriate comments
will be deleted immediately, and are grounds for immediate expulsion. Remember, children use this website.

Personal criticism on project forums and in video content is not allowed and will be deleted immediately.
Any violations of this rule could result in expulsion from the project so please, no insults or other negative
personal remarks.

Very harshly-worded criticism of content will also be deleted promptly. Please use your vote to express your
harshest feelings. Repeated violations of this rule can result in expulsion. If you must criticize another
person's hard work, then be nice about it.

People work hard on educational categories, and we want to encourage them to make more!