Think critically — and linearly by applying linear equations to solve real-world problems. Young mathematicians write equations to model the profit on popcorn and cotton candy at a carnival and solve problems using these equations.

Concepts

linear equations, systems of linear equations, solving systems by graphing

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Additional Tags

math

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Instructional Ideas

• Have learners work on the example problem in pairs

Classroom Considerations

• Pupils must know how to find points of intersection of graphs on a graphing calculator
• Individuals should also have prior experience writing linear equations for a given situation

Pros

• Includes some assessment and extension questions

Cons

• No student materials