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8th Grade Math PDF Quiz on Exterior Angle Theorem

Exterior Angle Theorem quiz for 8th grade: ten questions on finding exterior and remote interior angles of triangles, with an answer key and a link to a Google Forms copy.
Grades
Grade 8, Middle School
File type
PDF
Preparation
Print ready

Updated Oct 19, 2026

Subject
Math, Geometry
Topic
quiz, google forms
Resource types
Quizzes, Quizzes and Tests, Teacher Tools
Preparation
Print ready

About this resource

What's inside this resource

Exterior Angle Theorem of Triangles QUIZ This 8-question multiple choice quiz assesses 8th grade students' understanding of the exterior angle theorem of triangles. Educators can utilize this resource in various ways - as a homework assignment, end-of-unit assessment, or as extra practice on the exterior angles of triangles. The quiz is available in both PDF and Google Forms formats. The Google Forms version allows educators to provide students with immediate feedback or wait until all students have been assessed to share scores. This concise 8-question quiz is an excellent way for 8th grade math teachers to evaluate students' comprehension of the exterior angle theorem as it relates to triangles.

In the classroom

Teaching tips & learning objectives

Learning objectives

  • Identify exterior and remote interior angles of a triangle
  • Calculate a missing angle using the Exterior Angle Theorem

Skills covered

  • Angle identification — locating exterior and remote interior angles
  • Angle calculation — finding unknown measures with the theorem

Good to know

Questions teachers ask about this resource

What is needed for the Google Forms version?

The Forms copy opens from the link on the instructions page and needs internet access and a Google account; the PDF quiz can be printed on its own.

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Resource details

Concepts & topics

Core concepts

  • Exterior Angle Theorem
  • Remote interior angles
  • Triangles

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