Lesson Study Video for Thinking Systematically: Summary (Video 6 of 6)

Summary (6 of 6)

Some students come up with a pair of linear equations that permit one to compute a solution once the constraints have been identified. Whether everyone understands this algorithmic approach is not discussed. This method depends on being able to use the 30 yen difference. This is where today’s lesson concludes and where it might be taken up tomorrow.

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