1. Unit 5: Quadrilaterals & Polygons
Lessons 15, 19, 32, 52, & 69: Classifying Quadrilaterals & Polygons, Properties of Quadrilaterals

2. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

3. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

4. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

5. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

6. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

7. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

8. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

9. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

10. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

11. Proofs Involving Quadrilaterals

12. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

13. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

14. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

15. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

16. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

17. Proofs Involving Quadrilaterals
Goals: To find the sum of the interior or exterior angles in a polygon. To identify the properties of various quadrilaterals.
Essential Understandings: The sum of the interior angles of a polygon is equal to (n-2)180˚. The sum of the exterior angles of a polygon is always 360˚. Quadrilaterals have certain properties that help to identify the type of quadrilateral and can be used to solve problems involving quadrilaterals.

18. Polygons
Homework:
Worksheet 6.3 & 6.5
Select Problems