Solving problems about pen and paper with systems of equations ... or is it the other way around? In the lesson, learners first interpret expressions and use equations in two variables to solve problems about notebooks and pens. They then solve a real-world problem using systems of equations.

Concepts

algebraic expressions, algebraic equations, writing equations, systems of linear equations

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Additional Tags

math

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Instructional Ideas

• Use the lesson as a formative assessment instrument

Classroom Considerations

• Learners need to be able to solve problems involving equations in two variables
• Pupils also need to be able to solve systems of equations in multiple ways

Pros

• Includes printable worksheets
• Teacher resource includes questions to guide discussion

Cons

• None

Common Core

HSA-SSE.A.1.a HSA-REI.C.5 HSA-REI.C.6 MP1 MP2 MP3 MP4 MP5 MP6 MP7 MP8