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Solve for Unknown Angles—Angles in a Triangle Lesson PlanSolve for Unknown Angles—Angles in a Triangle Lesson Plan
Publisher
EngageNY
Resource Details
Curator Rating
Educator Rating
Not yet Rated
Grade
9th - 10th
Subjects
Math
1 more...
Resource Type
Lesson Plans
Audience
For Teacher Use
Duration
45 mins
Instructional Strategy
Inquiry-Based Learning
Technology
Calculator
Year
2015
Usage Permissions
Creative Commons
BY-NC-SA: 3.0
cc
Language
English, Arabic
Lesson Plan

Solve for Unknown Angles—Angles in a Triangle

Curated and Reviewed by Lesson Planet
This Solve for Unknown Angles—Angles in a Triangle lesson plan also includes:
  • Congruence, Proof, and Constructions - Module Overview (PDF)
  • Solve for Unknown Angles—Angles in a Triangle (Doc)
  • Solve for Unknown Angles—Angles in a Triangle (Doc)
  • Join to access all included materials

Assist your class with each angle of geometry as they use exterior angles to form linear pairs with adjacent interior angles. They cover multiple vocabulary terms and work practice problems, complete with justifications, before taking an assessment to test their knowledge of angles and geometric configurations. 

17 Views 10 Downloads
CCSS: Designed

Concepts

angles, transversals, geometric figures

Additional Tags

math

Instructional Ideas

  • Design a memory game with vocabulary words in the lesson, and use a study tool

Classroom Considerations

  • Make certain your class justifies their rationale for solutions to problems, as it is an important skill as the class moves forward with future lessons
  • Ensure each learner understands the review prior to beginning the lesson to avoid confusion
  • The eighth installment in a 36-part series

Pros

  • Detailed steps allow the class to learn individually or as a group with minimal modifications
  • Required justifications for each problem ensures everyone understands each concept presented prior to progressing further

Cons

  • None

Common Core

HSG-CO.C.9 MP7

View 38,624 other resources for 9th - 10th Grade Math

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