\input zb-basic
\input zb-matheduc
\iteman{ZMATH 2009e.00416}
\itemau{Lassak, Marshall}
\itemti{Using dynamic graphs to reveal student reasoning.}
\itemso{Int. J. Math. Educ. Sci. Technol. 40, No. 5, 690-696 (2009).}
\itemab
Summary: Using dynamic graphs, future secondary mathematics teachers were able to represent and communicate their understanding of a brief mathematical investigation in a way that a symbolic proof of the problem could not. Four different student work samples are discussed.
\itemrv{~}
\itemcc{G35 G45 E55 R25 U75}
\itemut{proving; technology in the mathematics classroom; geometry software; elementary geometry; teacher education}
\itemli{doi:10.1080/00207390902759642}
\end