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Standard #: MA.8.GR.1.5

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Solve problems involving the relationships of interior and exterior angles of a triangle.

Clarifications

Clarification 1: Problems include using the Triangle Sum Theorem and representing angle measures as algebraic expressions.

General Information

Subject Area: Mathematics (B.E.S.T.)
Strand: Geometric Reasoning
Status: State Board Approved

Related Courses

 Course Number1111 Course Title222 1205050: M/J Accelerated Mathematics Grade 7 (Specifically in versions: 2014 - 2015, 2015 - 2020, 2020 - 2022, 2022 and beyond (current)) 1205070: M/J Grade 8 Pre-Algebra (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 1204000: M/J Foundational Skills in Mathematics 6-8 (Specifically in versions: 2014 - 2015, 2015 - 2022, 2022 and beyond (current)) 7812030: Access M/J Grade 8 Pre-Algebra (Specifically in versions: 2014 - 2015, 2015 - 2018, 2018 - 2019, 2019 - 2022, 2022 and beyond (current))

Related Access Points

 Access Point Number Access Point Title MA.8.GR.1.AP.5 Given an image, solve simple problems involving the relationships of interior and exterior angles of a triangle.

Formative Assessment

 Name Description Justifying the Exterior Angle of a Triangle Theorem Students are asked to apply the Exterior Angle of a Triangle Theorem and provide an informal justification.

Lesson Plan

 Name Description Triangles: Finding Interior Angle Measures The lesson begins with a hands-on activity and then an experiment with a GeoGebra-based computer model to discover the Triangle Angle Sum Theorem. The students write and solve equations to find missing angle measures in a variety of examples.

Tutorial

 Name Description Finding Missing Angle Measures In this video, we find missing angle measures from a variety of examples.

Tutorial

 Name Description Finding Missing Angle Measures: In this video, we find missing angle measures from a variety of examples.

Printed On:11/27/2022 4:53:08 AM
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