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Numeric response


Questions that involve numbers provide the prototypical examples of generative questions.

Questions that use random numbers:

  • can be used, and reused, in formative assessments for practice during the period of study or for revision prior to an examination
  • impede collusion between students in summative assessments

Numeric responses from students can be handled as:

  • exact integers e.g. 13
  • floating point numbers within a tolerance range e.g. 3.14159
  • floating point numbers to a set number of significant figures e.g. pi to 4 significant figures is 3.142
  • numbers in scientific format e.g. 1.38 × 10-23
  • numbers with units e.g. 1.38 × 10-23 m2 kg s-2 K-1

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Comments on OpenMark may be addressed to:

Chris Nelson
Product Development Manager
The Open University

Greg Black
Production Manager
The Open University