# Vertical Angles and Angle Sum Theorem Proofs Lesson Materials (Notes, CW, & HW)

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Vertical Angles and Angle Sum Theorem Proofs Lesson Materials (Guided Notes, Classwork, & Homework):

These 6 student worksheets will help your students learn how to prove that vertical angles are congruent and that the sum of the interior angles in a triangle sum to 180 degrees. These lesson materials include a 2-page set of guided notes, a 2-page classwork assignment, and a 2-page homework assignment, for a total of 6 student worksheets!

The guided notes include a vocabulary section, an example of the proof of the Vertical Angles Theorem, and an example of the proof of the Angle Sum Theorem.

The classwork assignment includes proofs where students have to fill in only the reasons, proofs where students have to fill in a mixture of statements and reasons, and proofs where students have to fill in the entire proof. The proof of the Vertical Angles Theorem is 6 steps long, and the proof showing that “the sum of the interior angles in a triangle is 180 degrees” is 5 steps long.

The homework assignment includes the same 2 types of proofs. It includes proofs where students have to fill in a mixture of statements and reasons and proofs where students have to fill in the entire proof.

These lesson materials come with 2 pages of guided notes, 4 pages of proofs practice (1 classwork assignment and 1 homework assignment), answer keys, and a PowerPoint file containing pictures of the guided notes, worksheets, and keys. The worksheets in the PowerPoint are NOT editable. When you purchase this set of lesson materials, you will receive a pdf containing the guided notes, worksheets and answer keys, and you will receive a PowerPoint file. Before purchasing this product, please review the preview file closely to make sure that these proofs are appropriate for your students.

Please Note: The classwork and homework worksheets included in this product are the exact same worksheets as the ones sold in my "practice worksheets" product. The difference between the two products is that the "lesson materials" come with guided notes. Choose to purchase either the "lesson materials" or the "practice worksheets," but do not purchase both.

If you would like to purchase the practice worksheets without the guided notes, you may also like:
Vertical Angles and Angle Sum Theorem Proofs Practice Worksheets

This product is intended for use by one teacher. Do not share this resource with other teachers in your school building, district, etc. Do not post this resource or any part of this resource on the internet, on school websites or on network drives. The appropriate number of licenses should be purchased if you wish to use this resource for multiple teachers in a school, district, or organization. Do not share, transmit, or reproduce any part of this resource without the permission of the author. Thank You!

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Total Pages
6 pages of worksheets
Included
Teaching Duration
50 minutes
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\$3.00