1. An Introduction to Angles Today you will learn to: measure and draw angles. classify angles as right, acute, obtuse, or straight. M04.C-G.1.1.1: Draw points, lines, line segments, rays, angles (right, acute, and obtuse), and perpendicular and parallel lines. Identify these in two-dimensional figures.

2. Warm-up Problem: Classifying Angles Fannie is tiling her bathroom floor. She cut a square tile along one of the diagonals, dividing a right angle in half. What is the angle measure created by the diagonal and a side of the tile?

3. A Review of Angles

4. Angles in Two-Dimensional Shapes

5. Unknown Angles

6. Unknown Angles: Parallel Lines and a Transversal

7. Unknown Angles in Triangles

8. Unknown Angles in Quadrilaterals