Browsing by Subject "Design"

Now showing items 1-2 of 2

    • Revisiting some design criteria 

      O'Driscoll, Diarmuid; Ramirez, Donald E. (Athens Institute for Education and Research, 2015)
      We address the problem that the A (trace) design criterion is not scale invariant and often is in disagreement with the D (determinant) design criterion. We consider the canonical moment matrix CM and use the trace of its ...

    • What’s a real 2D shape? Designing appropriate geometric instruction 

      Hourigan, Mairead; Leavy, Aisling (AAMT [Australian Association of Mathematics Teachers], 2015)
      Mairead Hourigan and Aisling Leavy describe a range of teaching and learning activities focusing on the identification and classification of 2-dimensional shapes. The activities described are useful in highlighting students’ ...