In case you are trying the MARS MAP Classroom Challenges for the first time, it is recommended that you read the Brief Guide for teachers and administrators before you get started.
In this unit, students choose and use mathematics to model a problem situation.
In a whole-class discussion, students compare and evaluate the solution methods they have seen and used.
In the final part of the lesson, students spend ten minutes reviewing their individual solutions, and writing about what they have learned.