8.G.A.5 Worksheets
CCSS.MATH.CONTENT.8.G.A.5
:"Use informal arguments to establish facts about the angle sum and exterior angle of triangles, about the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles."
These worksheets can help students practice this Common Core State Standards skill.
Worksheets
Parallel Lines Cut By A Transversal
Worksheet
Parallel Lines Cut By A Transversal
In this eighth-grade geometry worksheet, students learn about parallel lines cut by transversals and practice identifying different types of angle pairs using given diagrams.
8th Grade
Math
Worksheet
Finding Missing Angles in Triangles
Worksheet
Finding Missing Angles in Triangles
This eighth-grade geometry worksheet introduces students to the Triangle Angle Sum Theorem and has them practice finding a missing interior angle in a triangle.
8th Grade
Math
Worksheet
Finding Exterior Angles of Triangles
Worksheet
Finding Exterior Angles of Triangles
Model how to find a missing exterior angle with this eighth-grade geometry worksheet!
8th Grade
Math
Worksheet
Transversals of Parallel Lines
Worksheet
Transversals of Parallel Lines
Help students hone their knowledge of different angles with this eighth-grade geometry worksheet about parallel lines cut by a transversal.
8th Grade
Math
Worksheet
Interior Angles in Triangles: Solve for the Variable
Worksheet
Interior Angles in Triangles: Solve for the Variable
Students use the Triangle Angle-Sum Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.
8th Grade
Math
Worksheet
Exterior Angles of Triangles: Solve for the Variable
Worksheet
Exterior Angles of Triangles: Solve for the Variable
Students use the Exterior Angle Theorem to solve for the variable in triangles where two or more angle measures are linear algebraic expressions.
8th Grade
Math
Worksheet
Transversals of Parallel Lines: Angle Relationships
Worksheet
Transversals of Parallel Lines: Angle Relationships
Help your students explore angle relationships and transversals of parallel lines with this eighth-grade geometry worksheet!
8th Grade
Math
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #1
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #1
Find the measures of missing interior and exterior angles of triangles with this geometry worksheet!
8th Grade
Math
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #2
Worksheet
Finding Missing Interior and Exterior Angles of Triangles #2
Get more practice finding the measures of missing interior and exterior angles of triangles with this geometry worksheet!
8th Grade
Math
Worksheet
