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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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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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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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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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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 Be sure to follow my TpT store by clicking on the green ‘Follow
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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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Also included in: Geometry Skills Color By Number Bundle 2: 10 More Skills

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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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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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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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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 this game even more interactive as s
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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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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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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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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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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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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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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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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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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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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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Also included in: Shapes, Lines & Angles -- Pre-Algebra & Geometry Curriculum Bundle

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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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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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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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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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