Are You Pulling My Trig?

Build on students' knowledge about triangles with this introductory lesson plan on trigonometric ratios. After first exploring key terms in a scavenger hunt activity, students solve a series of guided and independent practice problems dealing with the sine, cosine, and tangent functions.

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CCSS: Designed
Instructional Ideas

  • Use this lesson to introduce young mathematicians to the trig functions sine, cosine, and tangent
  • Have students create their own real-world problems involving trigonometric ratios
  • Allow students to work in pairs or small groups as they complete the Scavenger Hunt worksheet
Classroom Considerations

  • Depending on the length your class periods, consider extending this lesson across two or more days
  • Note that this lesson assumes students have access to graphing calculators
Pros

  • Resource includes multiple practice worksheets, a graphic organizer for taking notes, and an assessment on trigonometric ratios
  • Worksheets and assessment include both skills practice and word problems
  • Lesson identifies common misconceptions to address with young mathematicians
  • Ideas are offered for adapting and extending the lesson to meet the learning needs of all students
Cons

  • None
Common Core