Ensure your eighth graders get the most out of their math education with this series of Common Core checklists. Rewriting each standard as an "I can" statement, this resource helps teachers keep a record of when each standard was...

This activity from Shodor Education Foundation will help you learn or review your angle vocabulary.

This lesson plan provides students with an opportunity to practice drawing and measuring triangles and angles. It also shows pictures and gives definitions of each type of angle and triangle.

Finding the third angle of a triangle becomes easier by the explanation and examples presented.