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showing 1-24 of 609 results

This matching activity is a great way to have students practice finding unknown measures of interior and exterior angles of triangles. There are 12 problems students will solve and match up the answers to on the mat. Students need to apply the triangle sum theorem and also use supplementary and co

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This activity guides students to develop rules for the properties of exterior angles of a triangle. Through inquiry-based learning, students are able to discover the theorem on their own and therefore understand the concept better and can remember why it works. The activity uses critical thinking.

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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

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This product includes one page of guided notes both reviewing with students how to find missing interior angle measurements in triangles and teaching them how to find exterior angle measurements of triangles.
The second page is a practice activity for the students where they are finding exterior an

This activity consists of 3 different sets task of cards in which students will determine the measures of missing interior and exterior angles of triangles. The sets were created using three different ability levels. Set A (red) is the easiest level, Set B (blue) is the intermediate level, an

Exterior Angle and Triangle Sum Theorem Task Cards Digital Activity
PERFECT FOR 1:1 CLASSROOMS!
In this digital activity, students will use Google Slides to view exterior angle theorem and triangle sum theorem task cards. Students have the ability to add text boxes with their answers or to add no

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Also included in: Geometry Digital Activity Bundle

Students will use the exterior angle theorem to solve for unknown measures in triangles. There are 12 total dominos. The object is for students to create a domino train by matching a problem with its solution found on the next domino. Students can show their work on the recording sheet that is inclu

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Also included in: 8th Grade Angle Relationships Activity Bundle

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Find Exterior Angles Measures of Triangles. Guided Notes. Color Coding with Highlighters! Common Core Standard 8.G.5. Keeps students engaged as they learn and explore new concepts. This color-coding technique works well with students of all levels!
Light up their learning! This technique has worked

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Hello Math Teachers! 23 questions on interior and exterior angles with triangles, angle sum & exterior angle of triangles, parallel lines, vertical, supplementary angles, writing and solve equations to find missing angles. Questions also include reviewing similar triangles and complimentary

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Also included in: 8th Math Pre-Algebra Question Bank Mega Bundle for ExamView

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This thanksgiving themed item included 20 task cards with:
-interior angle sum
-exterior angle sum
-solving for the missing variable
-answer key with step by step work
-recording sheet
Have students do a walk about activity, work at a center, or have the whole class answer on the smartboard!
Bord

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Hello Math Teachers! Worksheets on facts about angle sum and exterior angles of triangles including angles created by parallel lines, similar triangles, the sum of the angles of triangles, and supplementary angles. I use it with my 8th grade PreAlgebra and remedial math classes as a class assignment

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Also included in: Math Test Prep Worksheets Grade 8 "Survivor's Guide" Mathematics Bundle 3

This no prep activity is a fun and engaging way for kids to practice solving for missing interior and exterior angles of a triangle! Students are presented with a classic murder mystery riddle, and they must solve the multi-level interior and exterior angles of a triangle problems to solve the murde

Also included in: Parallel Lines Cut by a Transversal & Interior and Exterior Angles Activity!

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Find missing angle measures. Determine the value of variables in expressions representing angle measures.
Interior Angles of Triangles
Exterior Angles of Triangles

This is a short review of finding interior and exterior angles in triangles. At the top it explains how to complete the problems. There are then 4 days of review questions (Monday - Thursday) that are very short and then a mini quiz for the last day. This is a great resource to use as a diagnosti

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This activity contains 8 stations, a recording sheet, and an answer key. Students will identify and correct the errors in solutions to problems involving interior and exterior angles in triangles.

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This can be used as a homework assignment, a class activity, or even enrichment! Students are challenged to recall the rules of congruency in corresponding angles, vertical angles, alternate exterior angles, and interior adjacent angles, and apply rules of solving equations to find the missing value

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Geometry worksheet covering:
• Exterior Angles and Measurements
You will receive a worksheet as well as fill in the blank notes with the purchase of this resource. Students will practice the necessary skills of exterior angles of triangles to be successful in Geometry and to continue student suc

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These guided notes will help your kids discover and understand the exterior angle theorem for triangles. They will need to know how to use protractors to complete these guided notes.
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 Int

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Students will race to solve 24 task cards involving writing and solving equations to find missing interior and exterior angle measures in triangles! The student who completes the correct cards to get to the BINGO goal on their BINGO board is the winner!

Get your students thinking with this Angle Sum - Interior & Exterior Angles of Triangles worksheet! In exercise A students will fill in each blank with the correct word from the word bank provided to complete each of the sentences establishing facts about triangles. Exercise B consist of 3 probl

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Also included in: 8th Grade Math Unit 8 TEKS BUNDLE:Angle & Triangle Relationship 30%OFF

"The measure of an exterior angle of a triangle is greater than the measure of either nonadjacent interior angle"
"The measure of an exterior angle of a triangle is greater than the measure of either nonadjacent interior angle"
This lesson explores how to use these theorems in geometry proofs, spe

This product will:
•Help students understand that the exterior angle of a triangle is equal to the sum of the two opposite interior angles.
•Help students set up an equation based on the exterior angle theorem.
Answer key included.

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This set of foldable notes gives students a simple examples of how to find a missing angle in a triangle or the exterior angle of a triangle. Students can reference it later when they are completing practice problems.
Includes:
-1 set of foldable notes
-Answer key

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Practice the Triangle Sum Theorem and the Exterior Angle Theorem with this activity. Cards can be cut into half sheets and hung around the classroom or used as a pass the problem. There is a recording sheet ready to be printed for the students.

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showing 1-24 of 609 results