Teachers' Domain®
 

Organization:

Forgot Your Password?

Already have a TD account?

If you are already a Teachers' Domain user, sign in now to connect your Teachers' Domain and  accounts.

Your ID:  not your account?

Organization:

Forgot Your Password?

Signing in now will connect your  and Teachers' Domain accounts, so that in the future you will automatically be signed into Teachers' Domain when you come from .

Not yet registered?

Register now to download, share, and save resources. It's simple, safe, and free! Learn More

First time here?

As a  user, you may browse Teachers' Domain and view as many resources as you wish without registering.

However, for access to all fo the features of Teachers' Domain, we'll need a little more information. Learn More

You are now "Test Driving" Teachers' Domain

You may view up to 7 resources in this limited trial period.

You have 6 views remaining. Register now for unlimited free access and to download, share, and save resources. Learn More

You are now "Test Driving" Teachers' Domain

As a user, you may view as many resources as you like without registering.

Register now to download, share, and save resources. Learn more

About Registration:

Registering with Teachers' Domain is free and allows you to:

  • • View as many resources as you like
  • • Save, sort, and share resources using My Folders and My Groups
  • • Download resources to your desktop
  • • See standards correlations for your state

Thank you for "Test Driving" Teachers' Domain

You have viewed all seven resources permitted in this limited trial period. You may continue to browse the site, but to view, download, share, and save resources, you must register now. Registration is simple, safe, and free.

For more information:

Learn about our online Professional Development Courses, or review our Privacy Policy.

If you still have questions, please contact us.

Subtopic: Perimeter

Resource Grade Level Media Type
Building a Fence  

Building a Fence
In this Cyberchase video segment, Harry must build a rectangular fence in his grandmother's backyard using fencing of various sizes.

3-6 QuickTime Video
Measuring for an Exact Fit  

Measuring for an Exact Fit
In this Cyberchase video segment, the CyberSquad must figure out how to construct rectangular lids to fit precisely on two different boxes.

3-6 QuickTime Video
Perimeter and Area Together  

Perimeter and Area Together
Students recognize that rectangles can have the same perimeters but different areas. They are asked to calculate the perimeters and areas of different rectangles and understand the concept of maximum area.

4-7 Lesson Plan
Skate-Off: Final Round, Inez vs. Rimm  

Skate-Off: Final Round, Inez vs. Rimm
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.

4-8 QuickTime Video
Skate-Off: Round One  

Skate-Off: Round One
In this Cyberchase video segment, the CyberSquad learns what happens to the area of a rectangle when the shape enclosed by the perimeter changes.

4-8 QuickTime Video