Students will create a variety of angles using the Geoboard APP. The teacher will use Screen Capture to display the angles created by the students and will lead a discussion on whether the angles are acute, right, or obtuse.

This activity could be used to introduce the concept of congruence. You will need the following materials: geoboards, rubber bands, and geoboard recording paper.

At this personal site, you will find pages of math manipulatives and different types of graphing paper to print out and use in your classroom.