Angles of Polygons (Day 2)

Lesson Prep

Lesson Details

• Duration: 50 minutes

• Learning Goal: Build fluency with angles of polygons and prepare for quadrilaterals with a challenging task.

Classwork

• Estimation – Texas 2

• Warm Up

• Practice

  • Problems on the back are from Open Middle

• Complete the Quadrilateral (Fawn Nguyen)

  • Handout

  • Shapes Slide

  • Answers

Standards

TEKS

• G.5(A) – investigate patterns to make conjectures about geometric relationships, including angles formed by parallel lines cut by a transversal, criteria required for triangle congruence, special segments of triangles, diagonals of quadrilaterals, interior and exterior angles of polygons, and special segments and angles of circles choosing from a variety of tools