Start a 10-Day Free Trial to Unlock the Full Review

Why Lesson Planet?

Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!

Triangle Inequality Theorem

Students visualize triangles and the numbers that describe the three sides. They investigate the triangle inequality theorem which allows them to tell the shape of the triangle when given the lengths of each side.

3 Views 12 Downloads
Resource Details

Grade
8th - 9th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Duration
45 mins
Technology
Calculator
Year
1998
Usage Permissions
Fine Print

Be the first to comment


Join Lesson Planet Community, our free teacher discussion forum, to share ideas about this resource, and more.

Join the Conversation

What Members Say


Shireen A.
Lesson Planet has helped me find lessons that add to my curriculum. It is also a great website to use when one needs to search for certain topics and how to introduce those topics, it also gives a lot of options for varied learners.
Shireen A., Teacher