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 a whole-class discussion students compare and evaluate the different methods they used.
To help you assess how well students are able to interpret a situation and represent the variables mathematically.
To help you assess how well students are able to select appropriate mathematical methods to use.
To help you assess how well students are able to explore the effects on the area of a rectangle of systematically varying the dimensions whilst keeping the perimeter constant.
To help you assess how well students are able to interpret and evaluate the data generated and identify the optimum case.
To help you assess how well students are able to communicate their reasoning clearly.