What's in a triangle? Just 180 degrees worth of angles! Young learners use given angle relationships in a triangle to write an algebraic representation. Using a system of equations, they simplify the equation to a linear representation.

Concepts

quadratic equations, problem solving strategies, problem solving techniques, triangles, angles

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Additional Tags

math

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Instructional Ideas

• Use the task to explore representing geometric relationships with algebraic equations
• Encourage learners to draw a picture and label before writing the equation

Classroom Considerations

• Learners must understand angle relationships in triangles

Pros

• Requires higher order thinking
• Incorporates both geometric and algebraic concepts

Cons

• None

Common Core

HSF-IF.C.8.a