This is a coloring activity for a set of 12 problems on the exterior angle sum theorem.  The exterior angle is equal to the sum of the two remote interior angles.  Problems 1 - 6 are easy and problems 7 - 12 are challenging where algebra is reinforced.This product is included for free in the triangle activity bundle.Posted:   9/22/15 so 50% off through 9/25/15

This is a coloring activity for a set of 12 problems on the exterior angle sum theorem. The exterior angle is equal to the sum of the two remote interior angles. Problems 1 - 6 are easy and problems 7 - 12 are challenging where algebra is reinforced.

Nice! a practical demonstration of the exterior angles of a polygon summing to 360o.

Thanks to for sharing these pictures showing a practical demonstration of the exterior angles of a polygon summing to

Inquiry Lesson for Exterior Angles Theorem for Triangles

Exterior Angles of a Triangle Inquiry Activity

ANGLES OF TRIANGLES BUNDLE - This BUNDLE includes 40 task cards, 10 problem solving graphic organizers, 1 maze, 1 riddle, 1 coloring activity (over 80 skills practice and word problems). The resources in this bundle are perfect for warm-ups, cooperative learning, spiral review, math centers, assessment prep and homework. Topics included: Angle Sum of a Triangle, Interior Angles of a Triangle, Exterior Angle of a Triangle, Classify Triangle by its Angles 8th grade math common core 8.G.5

ANGLES OF TRIANGLES BUNDLE - This BUNDLE includes 40 task cards, 10 problem solving graphic organizers, 1 maze, 1 riddle, 1 coloring activity (over 80 skills practice and word problems). The resources in this bundle are perfect for warm-ups, cooperative learning, spiral review, math centers, assessment prep and homework. Topics included: Angle Sum of a Triangle, Interior Angles of a Triangle, Exterior Angle of a Triangle, Classify Triangle by its Angles 8th grade math common core 8.G.5

My 8th Grade Math & High School Geometry students loved this Exterior Angle Theorem Maze.  This was the perfect math worksheet for my Middle School Math & Secondary Math students.  This really was a fun activity to help students strengthen their skills in solving equations related to exterior angle theorems! 8.8D Use informal arguments to establish facts about the angle sum and exterior angle of triangles.

My 8th Grade Math & High School Geometry students loved this Exterior Angle Theorem Maze. This was the perfect math worksheet for my Middle School Math & Secondary Math students. This really was a fun activity to help students strengthen their skills in solving equations related to exterior angle theorems! 8.8D Use informal arguments to establish facts about the angle sum and exterior angle of triangles.

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.Important InformationNot all boxes are used in the maze to prevent students from just guessing the correct route.

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.Important InformationNot all boxes are used in the maze to prevent students from just guessing the correct route.

In this set of task cards, students will use the Exterior Angle Theorem and the Triangle Sum Theorem to solve problems. All of the problems are diagrams where students will solve for x or find a missing angle measure. Students will need to solve basic linear equations to solve the problems.

Exterior Angle and Triangle Sum Theorem Task Cards

In this set of task cards, students will use the Exterior Angle Theorem and the Triangle Sum Theorem to solve problems. All of the problems are diagrams where students will solve for x or find a missing angle measure. Students will need to solve basic linear equations to solve the problems.

Exterior Angle Theorem Maze - Finding Angle Measures

Exterior Angle Theorem Maze - Finding Angle Measures

Teaching Geometry, Geometry Lessons, Math 2, Math Class, Triangle Angles, Exterior Angles, Class Activities, Math Resources, Secondary Math

Kelsoe Math: Triangles Unit: Interior Angle Sum and Exterior Angle (Remote Interior Angles)

Last week, we returned to school after Christmas break. Monday was a teacher workday, so I worked all day on grades and lesson plans for th.

Get students out of their seats and writing equations to solve for missing angle measures with this interactive angle relationships scavenger hunt. Students will practice writing equations to determine angles measures given algebraic expressions to represent angles. Students will be able to solve for x or a missing angle given parallel lines cut by a transversal (with congruent or supplementary pairs), interior and/or exterior angle measures of a triangle and more.  By Free to Discover.

Angle Relationships Scavenger Hunt

Students will design their own town. Topics include transversals, alternate interior angles, alternate exterior angles, corresponding angles, parallel lines, etc. Rubric is included. Black & White and Color Versions included.

Students will design their own town. Topics include transversals, alternate interior angles, alternate exterior angles, corresponding angles, parallel lines, etc. Rubric is included. Black & White and Color Versions included.

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