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Geometry

(13 Units, 101 Lessons)

Unit 8 - Discovering and Proving Polygon Properties(9 Lessons)

Review Angle Relationships to Begin Conjecturing About Polygons

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:Through the kinesthetic act of constructing a regular hexagon, students will conjecture about the angles and diagonals of a regular hexagon.

9 Resources

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9 Resources

0 Favorites

Interior and Exterior Angle Sum of Polygons

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:Through investigating a variety of polygons with different numbers of sides, students will discover the interior and exterior angle sum for any polygon.

26 Resources

11 Favorites

26 Resources

11 Favorites

Going Deeper with Interior and Exterior Angles

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:By working on a Hands-On Activity in groups students develop collaboration skills and practice justifying their conjectures.

13 Resources

1 Favorites

13 Resources

1 Favorites

Focus on Justification: Interior and Exterior Angles

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:Students will improve written justifications by revising their work.

10 Resources

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10 Resources

0 Favorites

Kite & Trapezoid Properties and Midsegments of Triangles & Trapezoids

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:In a group task, students use constructions to discover midsegment properties of triangles and trapezoids.

17 Resources

2 Favorites

17 Resources

2 Favorites

Properties of Parallelograms and Special Parallelograms

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:In the Logical Road Map, students will make sense of multiple pathways to writing a proof.

20 Resources

0 Favorites

20 Resources

0 Favorites

Proofs: Properties of Parallelograms

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:In a group challenge activity, students hold each other accountable as they apply special parallelogram properties to solve problems and write proofs.

6 Resources

1 Favorites

6 Resources

1 Favorites

Review: Polygon Properties

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:In a menu activity, students will move around the classroom to choose the proofs they will write before they do a Four Corners debrief.

14 Resources

1 Favorites

14 Resources

1 Favorites

Discovering and Proving Polygon Properties Unit Assessment

Geometry

» Unit:

Discovering and Proving Polygon Properties

Big Idea:In this assessment, students take on a variety of questions--true/false, fill in the blank, problem solving, proof--to demonstrate their understanding of polygon properties.

7 Resources

1 Favorites

7 Resources

1 Favorites