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Angles of Triangles Task Cards (Triangle Sum Theorem, Exterior Angle Theorem)
Angles of Triangles Task Cards (Triangle Sum Theorem, Exterior Angle Theorem) Students will practice finding missing angle measurements in triangles through this task card activity. Students must have an understanding of the Triangle Sum Theorem, Exterior Angle Theorem, supplementary angles, compl
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Triangle Sum Theorem & Exterior Angle Theorem (Foldable)
This foldable is organized into the following three tabs: 1. Vocabulary (interior angles, exterior angles, remote interior angles) 2. Triangle Sum Theorem 3. Exterior Angle Theorem It serves as a great introduction to the lesson, a class work assignment, homework assignment, or centers activity.
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Exterior Angle Theorem Maze - Finding Angle Measures
This is a maze of 19 triangles with an exterior angle that students must use the Exterior Angle Theorem to solve for one of the following: • An exterior angle when given the 2 remote interior angles • A remote interior angle when given the exterior angle & the other remote interior angle. T
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Angles of Triangles Activity {Triangle Angle Sum & Exterior Angle Theorems}
Students practice using the Triangle Angle Sum & Exterior Angle Theorems to find missing angles in triangles. 100% Ready to Go! Just PRINT & PRACTICE! Included: - 6 Practice Problems - Answer Key Connect with The Blakenator
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Exterior Angle Theorem Task Cards
Task cards are a wonderful way of reviewing and allowing students the opportunity to work in partners or collaborative groups! This product includes 16 task cards (perfect for one or several class periods) that focus on using angle relationships to determine an unknown angle measure. Task cards are
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Exterior Angle Theorem Maze - Solving Equations
This is a maze of 11 triangles with an exterior angle that students must use the Exterior Angle Theorem and their ability to set up & solve equations to solve for x. This self-checking activity helps students strengthen their skills in solving equations involving the exterior angle theorem.
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Congruent Figures, Corresponding Parts, Third Angle Theorem (Geometry Foldable)
This foldable provides definitions and practice identifying corresponding parts (angles and sides) as well as writing congeuence statements for triangles. Within the foldable students will need to apply these concepts (and some algebra) to find a missing angle or side measures. This is a great way
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Triangle Sum Theorem & Exterior Angle Theorem (QR Practice)
This 8 question sheet provides students with practice applying the Triangle Sum Theorem & The Exterior Angle Theorem, through the use of algebra. I have options where you may choose to include the QR codes, or not. My students really enjoy using QR codes. They look at the activity as more o
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Videos matching "angle theorem" (BETA)

This video lesson introduces students to the trig ratios and teaches them how to find the sine, cosine, and tangent of a right triangle. In particular, your students will learn... * That trigonometry means triangle measure * What three trig ratios (sine, cosine, and tangent) represent * How to f
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Video & Supporting Document

Duration: 18:44

Exterior Angle Theorem Color by Number
In this activity, students will practice applying the Exterior Angle Theorem as they color to reveal a beautiful, colorful pattern! Students will find measures of indicated angles or variables and then color their answers on the mandala according to the color given. This no-prep activity is an e
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Folder Flips: Triangle Sum Theorem & Exterior Angles Theorem
Folder Flips are a great way to store a ton of information in one little folder! Students will learn oodles of geometry skills and have fun while they're at it. What's included in the Triangle Sum Theorem & Exterior Angles Theorem pack? *An awesome, easy-to-follow lesson (18 pages) *7 quick ac
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Geometry Super Secret Number Puzzle Triangle Sum and Exterior Angle Theorem
In this super secret number puzzle, students will practice working the triangle sum theorem and the exterior angle theorem. Students find the answers to each of the eleven questions and then add their answers together – this is the super secret number. After a bit of time, I tell them what the sup
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Angle Theorems Quiz (TEKS 8.8D)
This quiz covers parallel lines intersected by a transversal, exterior and interior angles of triangles, and angle-angle similarity of triangles, particularly focusing on writing and solving equations when given angle measurements containing variables. Part of the TEKS quiz series, available for al
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Geometry Guided Interactive Math Notebook Page: Triangle Exterior Angle Theorem
This is a set of two guided, color-coded notebook pages for the interactive math notebook on the Triangle Exterior Angle Theorem. Includes color-coded examples and diagrams of triangle exterior angle vocabulary and the Triangle Exterior Angle Theorem. Includes an investigation of the relationshi
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Angle Sum & Exterior Angle Theorems (PPT)
This Power Point Presentation provides students with 10 multiple choice practice problems, applying the Angle Sum Theorem & the Exterior Angle Theorem. You may use this with clickers (Turning Point), if you have them, or without. A PDF option is available also. The questions build in diffic
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Using the Triangle Exterior Angle Theorem Color-by-Number!
In this activity, students will use the triangle exterior angle theorem to solve problems. #1 - 3 are simply numeric. #4 - 9 require algebra to solve for x. #10 - 15 require algebra for first solve for x, and then find the missing angle measure. Then, they will color the design by the colors list
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Geometry: Vertical Angle Theorem Proofs
Struggling to find good examples of geometric proofs in your textbook? These detailed proofs will help you and your student become experts! This particular packet includes 8 proofs that all use the vertical angles theorem. Other topics include angle addition, substitution, supplementary angles, e
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Remote Interior Angles Theorem Intro & 2 Assignments for Power Point
Included in this zip folder are 3 Power Point files. 1 is an intro and 2 are assignments. A brief description of each" The Intro is 21 slide Power Point presentation over remote interior angles and exterior angles of a triangle. At the end of the presentation, the student should realize the sum
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Triangle Exterior Angle Theorem - Task Cards
Triangle Exterior Angle Theorem - Task Cards This is a set of 10 task cards involving the triangle exterior angle theorem. Concepts included in this task card set are: Using the theorem to determine the angle measures of interior and exterior angles. Using algebra to solve problems involving the
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PPTX (2.75 MB)

Person Puzzle - Exterior Angle Theorem - Margaret Hamilton Worksheet
Bring to life the traditional practice class or homework assignment with some global competency and diversity! While your students practice with the exterior angle theorem, they can learn about the computer science pioneer, Margaret Hamilton! Person Puzzles are designed to highlight individuals wit
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Exterior Angle Theorem Matching Card Set with Bonus Pages
Students practice finding the exterior angle of a triangle by using the Exterior Angle Theorem. 18 pairs of matching cards- one half the cards has a detailed diagram of a triangle with the angle measurement desired and the other half of the cards have a measurement. Students can work in pairs, smal
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Triangle Exterior Angle Theorem - Google Form & Video Lesson with Notes
This product includes: (1) Video lesson with notes on the triangle exterior angle theorem Topics: What is the triangle exterior angle theorem? Writing & Solving equations involving the exterior angle theorem (1) Google Form activity assessing the content of the video lesson. The video and Go
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PPTX (351.35 KB)

Triangle Exterior Angle Theorem - Video Lesson, Notes, PowerPoint & Printables!
This purchase includes a PowerPoint, video lesson and video notes on the triangle exterior angle theorem. The PowerPoint is designed for whole classroom instruction while the pages may be individually printed as worksheets. Common Core Alignment 8.G.A.5 Use informal arguments to establish fact
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Triangle Sum Theorem and Exterior Angle Theorem Review
This is a handout that is created as a quick review to cover triangle sum theorem and exterior angle theorem. I created this activity as a review before end of course/end of school testing. I will have students fill out what they remember without notes and review with the entire class what they do n
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Geometry Lesson 9: Angle Theorems (Day1)
Day 9 in a series of Powerpoint Presentation lessons in High School Geometry. File is editable but requires MathType (trial version can be downloaded for free). Introduces Right angles and Complementary angles and presents exercises and proofs in an interactive manner.
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PPT (194.5 KB)

Exterior Angle Theorem Foldable with NOTES and PRACTICE
Exterior Angle Theorem foldable with definitions, notes, guided practice problems, and independent practice work time. Used in interactive notebooks during class or can be used as homework or scaffold.
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Remote Interior Angles Theorem Intro & 2 Assignments for PDF
Included in this zip folder are 3 PDF files. 1 is an intro and 2 are assignments. A brief description of each" The Intro is 21 page PDF file over remote interior angles and exterior angles of a triangle. At the end of the presentation, the student should realize the sum of the 2 remote interior
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Remote Interior Angles Theorem Intro & 2 Assignments for SMART Notebook
Included in this zip folder are 3 SMART Notebook files. 1 is an intro and 2 are assignments. A brief description of each" The Intro is 21 slide SMART presentation over remote interior angles and exterior angles of a triangle. At the end of the presentation, the student should realize the sum of
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Geometry Wall and Poster : Angles Theorems and Postulates
Geometry Wall and Poster : Angles Theorems and Postulates This is a PDF file. Contact me for a free PowerPoint version of this product if you like. Right Angles Straight Angles Congruent Supplements Congruent Complements Linear Pairs Vertical Angles Triangle Sum Exterior Angle Base-Angle Theorem (
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Triangle Sum & Exterior Angle Theorem - Poster Project
Students work in pairs or groups of three to determine the missing angle measures in two figures that are composed of interlocking triangles. Students must be able to apply the Linear Pair Postulate, Vertical Angle Theorem, Triangle Sum Theorem, and Exterior Angle Theorem in order to determine the
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Exterior Angle Theorem
Here are some notes and practice with the introduction of the exterior angle theorem. This is the relationship between the exterior angle in a triangle and the sum of the remote interior angles.
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Geometry- Angle Theorems- Exit Ticket, Quiz or Homework
This can be used for a number of things. Exit Ticket Quiz Homework Assessment Group Work Partner Check Please see my other items and don't forget to follow me!
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Vertical Angle Theorem
Introduce the Vertical Angle Theorem with notes and practice problems. Just print the recording sheet and cut out the cards and you are all set for a vertical angle cooperative learning activity!
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Triangle Angle Theorems
Google Slides Digital Interactive Notebook. The notebook is everything beneficial of an interactive notebook without all the paper, glue, scissors, etc. Includes : Triangle Vocabulary Triangle Angle Theorem Exterior Angle Theorem Equations with Angle Theorems Angle Theorem Discovery Activities
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Triangle and Angle Theorems
Includes: Triangle Sum Theorem, Exterior Angle Theorem, Angle Bisector Theorem, Triangle Proportionality Theorem, Triangle Inequailty Theorem, Triangle Angle Relationships, Corresponding Angles, Supplementary Angles, Vertical Angles, Linear Pairs, Alternate Exterior Angles, Alternate Interior Angles
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Exterior Angle Theorem--Finding Measures by Solving for X Matching Card Set
Students practice finding the measures of angles using the Exterior Angle Theorem by first writing an equation, solving for x and then using that value to find the measure of the angles. This is a great activity that will challenge your students. Included is 18 pairs of matching cards, half of the
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Parallels & Transversals, Angle Relations, Exterior Angle Theorem Station Match
An easy-to-implement activity to get 'em out of their seats while learning Geometry (and Algebra) in a structured and meaningful way! A fun & interactive math quest for students to uncover the mysteries of: Parallel Lines, Transversals, and all Angle Relations including: Vertical, Corresponding
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Trigonometry Angle Theorems
Note Template for Half Angle, Double Angle, Sum and Difference of Angles. Teacher can use as a homework assignment or teacher led notes.
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Exterior Angle Theorem Partner Practice
Great collaborative activity where students practice finding the exterior angle of triangles.. Partner A works out his problems while Partner B works hers. When they have finished, they compare answers. If the same--move on, if different, they work together to review their work and find the error.
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Geometry- Angle Theorems- Exit Ticket, Quiz or Homework
This bundle consists of the following: Logic and Reasoning Test (includes inductive, deductive reasoning, logic, theorems, algebra proofs, etc) Logic and Reasoning Review Logic and Reasoning Quiz Logic and Reasoning Vocabulary
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Exterior Angle Theorem Boom Cards --Digital Task Cards
Boom Cards™ are a great way for students to practice finding the measure of exterior angles and assessing their understanding.This is a quick formative assessment. This set of Boom Cards features 40 different Digital Self-Checking Task Cards. (No printing, cutting, laminating, or grading!) These
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8th Grade Triangle Sum & Exterior Angle Theorem Game 8th Grade Math Review
I CAN Math Games are the perfect way to make math fun! This 8th Grade Math Game focuses on the Triangle Sum Theorem and Exterior Angle Theorem, and provides students with practice in the form of multiple choice or short answer questions. QR codes (optional) make th
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Geometry Lesson 10: Angle Theorems (Day 2)
Day 10 in a series of Powerpoint Presentation lessons for High School Geometry. File is editable but requires MathType (trial version can be downloaded for free). Introduces Supplementary and Vertical angles and presents some simple exercises and two-column proofs in an interactive manner.
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Creating Dynamic Constructions - Triangle Exterior Angles Theorem
Instructions to help you or your students explore the Triangle Exterior Angles Theorem with the Geometer's Sketchpad.
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Mathematics | Inscribed Angle Theorem - Circle
This video explains in details about inscribed angle theorem of Circle.
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Alternate Interior Angles Theorem
This video shows that alternate interior angles formed by parallel lines cut by a transversal are congruent.
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Alternate Exterior Angles Theorem
This video shows that alternate exterior angles formed by parallel lines cut by a transversal are congruent.
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Same-side (Consecutive) Interior Angles Theorem
This video shows that consecutive interior angles formed by parallel lines and a transversal are supplementary.
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Exterior Angle Theorem Lecture notes, Worksheet
Exterior Angle Theorem - Lecture Notes - Worksheets Teach less, Learn more Viva Math!
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8th Grade Math Spiral Review | Homework, Warm Ups, Daily Math Review
This 8th Grade math spiral review resource can easily be used as spiral math HOMEWORK, spiral math WARM UPS, or a DAILY MATH REVIEW! This spiral math review was designed to keep math concepts fresh all year and to simplify your homework or warm up routines. All pages are 100% EDITABLE
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Congruent Triangles (Geometry Curriculum - Unit 4)
Congruent Triangles (Geometry Curriculum - Unit 4) This bundle contains notes, homework assignments, three quizzes, a study guide and a unit test that cover the following topics: • Classifying Triangles by Sides and Angles • Angles of Triangles: Triangle Angle Sum Theorem and Exterior Angle Theor
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Logic and Proof (Geometry Curriculum - Unit 2)
Logic and Proof (Geometry Curriculum - Unit 2) This bundle contains notes, homework assignments, three quizzes, a study guide and a unit test that cover the following topics: • Inductive Reasoning and Conjectures • Compound Statements and Truth Tables • Conditional Statements • Related Conditiona
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Proofs: Full Unit - Teaching Two-Column Geometry Proofs
Proof Writing in High School Geometry (Two-Column Proofs) - Introduction: This full unit pack (108 pages including answer keys) has all the resources you need to teach your Geometry students how to write proofs. It begins at the most basic level with the properties and postulates that will later b
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