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.
Before the lesson, students tackle the problem individually. You review their work and write questions to help students improve their solutions.
At the beginning of the lesson, students respond to your questions. Students are then grouped into pairs and work collaboratively to produce better solutions to the same task.
There is a whole-class discussion to compare and evaluate different approaches.
This is followed by a second collaborative activity when student work in small groups to evaluate and comment on sample solutions, followed by a second a whole-class discussion about the work.
Finally, students review and evaluate their work on the problem.
To help you assess how well students are able to solve a real-world problem that involves rates of change. In particular it will help you assess how well students are able to create, compare and evaluate different representations of functions.