Versions Compared


  • This line was added.
  • This line was removed.
  • Formatting was changed.


This paper is based on work from the project, Foundations of Algebra in the Elementary and Middle Grades: Supporting Students to Make, Represent, and Justify General Claims about Operations, supported in part by the National Science Foundation under Grant ESI-0550176. Any opinions, findings, and conclusions or recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the National Science Foundation.

Download paper.