Quadrilateral Tessellation Exploration

Objective: Check angle sum formulas and learn to tessellate with quadrilaterals

Materials needed: Protractor, one triangle, one convex quadrilateral, one non-convex quadrilateral.

1. Measure the three angles of the triangle. What are they? What is their sum?
2. Measure the four angles of the convex quadrilateral. What are they? What is their sum?
3. Create a tessellation using the convex quadrilateral.
4. Measure the four angles of the non-convex quadrilateral. What are they? What is their sum?
5. Create a tessellation using the non-convex quadrilateral.

Make more quadrilateral tessellations using this Java applet.

Handin: A sheet with answers to all questions.