Ratios and proportional relationships

This series of short tasks is designed to assess how well students understand proportional reasoning in practical contexts. The contexts featured include:

  • Relating a photograph to its negative
  • Water used by a washing machine
  • Coffee powder and cups of coffee made
  • Stamp collections

A detailed rubric is provided for each task.

This task is from the Mathematics Assessment Resource Service, a collaboration between UC Berkeley and the Shell Centre team at the University of Nottingham. A full rubric is given for the task. Further information on the collection is given here.

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This resource is part of Mathematics Assessment Resource Service (MARS)