Here's a video that model how to apply systems of equations to solving number word problems. Pupils learn problem solving strategies to writing equations to represent number word problems. After writing the equations, the instructor shows how to solve and then check the solution with the original problem.

Concepts

systems of equations, systems of linear equations, problem solving strategies

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Additional Tags

math

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Instructional Ideas

• Pause the video presenting the problem and ask for problem-solving strategies from your class

Classroom Considerations

• Requires a proficiency with solving systems of equations

• This video is hosted on YouTube

Pros

• Spends time developing strategies for writing the equations using the given information

Cons

• Only shows one specific example

Common Core

8.EE.C.8.a