The Unit Circle and Radian Measure
Students extend their knowledge of trigonometry to the unit circle, learning to convert between degrees and radians. They evaluate trigonometric functions for any angle.
About This Topic
Students extend their knowledge of trigonometry to the unit circle, learning to convert between degrees and radians. They evaluate trigonometric functions for any angle.
Key Questions
- What is a radian and how does it relate to the radius of a circle?
- How does the unit circle help us find sine and cosine for angles greater than 90 degrees?
- What are the signs of trigonometric functions in different quadrants?
Planning templates for Algebra II
5E Model
The 5E Model structures lessons through five phases (Engage, Explore, Explain, Elaborate, and Evaluate), guiding students from curiosity to deep understanding through inquiry-based learning.
Unit PlannerMath Unit
Plan a multi-week math unit with conceptual coherence: from building number sense and procedural fluency to applying skills in context and developing mathematical reasoning across a connected sequence of lessons.
RubricMath Rubric
Build a math rubric that assesses problem-solving, mathematical reasoning, and communication alongside procedural accuracy, giving students feedback on how they think, not just whether they got the right answer.
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