Angles and Radian Measure – Algebra 2 Trig Worksheet (CCSS Aligned)

This fully editable Algebra 2 worksheet on Angles and Radian Measure offers comprehensive, standards-aligned practice to build deep understanding of radians, arc length, and the unit circle. Specifically crafted for Chapter 9: Trigonometric Ratios and Functions, Section 9-2, this resource supports key Common Core standards HSF.TF.A.1 and HSF.TF.A.2.

Perfect for in-class instruction, homework, review, or test prep, this worksheet is structured for flexibility and clarity—helping students develop both procedural fluency and conceptual understanding.

What’s Included:

Five Structured Sections:

• Part A: Warm-Up – Definitions of key terms (radian, arc length, etc.) and prerequisite review questions
• Part B: Understanding Radians – Degree-to-radian conversions, revolutions, arc length problems
• Part C: Unit Circle and Trigonometric Values – Coordinates, trig function values, reference angles
• Part D: Real-World Applications – Radian problems in circular motion, measurement, and modeling
• Part E: Mixed Practice – A comprehensive review of all covered concepts for mastery

Each section includes 10 problems for a total of 50 practice questions designed to fill a full 90–120 minute class period.

Additional Features:

• 100% Editable – Customize instructions, questions, or formatting to suit your classroom needs
• Answer Key Included – Complete and accurate for quick grading or student self-assessment
• Common Core Aligned –
  • HSF.TF.A.1: Understand radian measure of an angle as the length of the arc on the unit circle
  • HSF.TF.A.2: Explain how the unit circle enables the extension of trig functions to all real numbers

Ideal For:

• Algebra 2 classrooms following a Common Core-aligned curriculum
• Review activities, homework assignments, or substitute plans
• Students preparing for standardized tests (ACT/SAT) or moving toward Pre-Calculus

This worksheet delivers high-quality, scaffolded practice to ensure students are confident working with radian measure, the unit circle, and angle concepts essential to trigonometry.

Terms of Use: This resource is licensed for use by one teacher in one classroom. Please do not share, distribute, or post this resource online. If another teacher would like to use it, please direct them to purchase their own copy. Thank you for supporting Minute Math!