Vol. 9 No. 1: (September, 2014)

(September, 2014)

Editor: Pedro Gómez

Published: 2014-09-01

Table of contents

Articles

Mathematics teachers’ ideas about mathematical models: A diverse landscape

  • Alfredo Bautista
  • Michelle H. Wilkerson-Jerde
  • Roger G. Tobin
  • Bárbara M. Brizuela
DOI: https://doi.org/10.30827/pna.v9i1.6107
Published: Sep 1, 2014
Pages 1-28

The width of a proof

  • Gila Hanna
DOI: https://doi.org/10.30827/pna.v9i1.6109
Published: Sep 1, 2014
Pages 29-39

(Dis)orientation and spatial sense: Topological thinking in the middle grades

  • Elizabeth de Freitas
  • MaryJean McCarthy
DOI: https://doi.org/10.30827/pna.v9i1.6108
Published: Sep 1, 2014
Pages 41-51