Tearing It Up

Students observe that the sum of the interior angles of a triangle is always`180\degree`.

By Amplify Classroom

Grades: 8th Grade

Subject: Math

Learning goals: Today’s Goals • Observe that the sum of the angle measures in a triangle is `180` degrees. • Explain the relationship between the sum of a triangle’s interior angle measures and the angle of a straight line. (Speaking, Listening, and Writing) Additional Materials Activity 1 Cards, one per student, pre-cut; straightedges; tracing paper (as needed)