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Significant figures

In this example the response must contain the correct value to the expected number of significant figures.

Points to note

  • responses with too many significant figures are commented on accordingly
  • responses which are rounded the wrong way are identified
  • the graph here is drawn 'on the fly' by OpenMark
  • as the graph is drawn by software it is straightforward to include several variants
  • many students miss the power of 10 on the y axis and the response matching has been improved to comment on errors of this form

Contact us

Comments on OpenMark may be addressed to:

Chris Nelson
Product Development Manager
The Open University
chris.nelson@open.ac.uk

Greg Black
Production Manager
The Open University
greg.black@open.ac.uk