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!

Seventh graders explore the concept of triangles. In this triangles lesson, 7th graders sort triangles according to various attributes such as acute, obtuse, isosceles, or equilateral. Students find the area and perimeter of triangles.

3 Views
16 Downloads

Resource Details

#### 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