Rotation Debate: Radians vs Degrees

In this lesson, students will convert from degrees to radians and radians to degrees and calculate arc length using both degrees and radians. Students will come to consensus as to why radians are the preferred measure of an angle. This lesson normally takes two 50 minute class periods to teach.

  • Day 1: Bell Ringer-Day 1, Lesson Notes, Activity 1
  • Day 2: Day 1 Review and Wrap-up, Bell Ringer-Day 2, Activity 2
Resource ID#: 46422 Type: Lesson Plan
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General Information

Subject(s): Mathematics
Grade Level(s): 9
Intended Audience: Educators educators
Suggested Technology: Graphing Calculators, Computer for Presenter, Internet Connection, LCD Projector, Speakers/Headphones, Microsoft Office, Computer Media Player
Instructional Time: 1 Hour(s) 40 Minute(s)
Keywords: radian, degree, coterminal, arc length, unit circle
Instructional Component Type(s): Lesson Plan,  Unit/Lesson Sequence,  Worksheet,  Problem-Solving Task,  Assessment,  Video/Audio/Animation,  Image/Photograph,  Formative Assessment,  Student Center Activity
Instructional Design Framework(s): Direct Instruction, Guided Inquiry (Level 3), Cooperative Learning
Resource Collection: CPALMS Lesson Plan Development Initiative

Aligned Standards

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