Identifying types of angles meets real-world application in an excellent, hands-on geometry activity. Learners use pipe cleaners and a visual model to independently discover the acute, right, or obtuse angles in their classroom, which they then list on a graphic organizer. 

Concepts

acute angles, angles, classifying angles, obtuse angles, right angles

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Additional Tags

english language arts

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Instructional Ideas

• Administer the last page of the resource as a reference handout that learners can continually refer back to

Classroom Considerations

• When using the "Angle Finder", remind students that they must begin by placing the left side of their new angles along this side, and then follow by putting the corner of the pipe cleaner on the dot (learners can often be confused by beginning on the right side of the angle finder)

Pros

• Great hands-on, inquiry-based learning experience
• All activity materials included

Cons

• None

Common Core

4.G.A.1