Revisiting the didactic triangle: From the particular to the general

Simon Goodchild, Bharath Sriraman

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


The basic notion of a didactic triangle is explained with historical annotations on its origins and subsequent theorization in the literature. Instances of its application to classroom environments to demonstrate its representational capabilities are presented. Generalizations of the triangle are proposed that integrate the role of technology, the researcher in mathematics teaching developmental research, and mediating complexes in the student– teacher–content interfaces. Further, the use of the didactic triangle as a heuristic device is also discussed.

Original languageEnglish
Pages (from-to)581-585
Number of pages5
JournalZDM - International Journal on Mathematics Education
Issue number5
StatePublished - Aug 1 2012


  • Classroom developmental research
  • Didactic triangle
  • Mathematics classrooms
  • Mathematics teaching development
  • Mediating objects
  • Researching mathematics classrooms
  • Theorizing classrooms


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