\input zb-basic
\input zb-matheduc
\iteman{ZMATH 2016d.00768}
\itemau{Foster, Colin}
\itemti{Closed but provocative questions: curves enclosing unit area.}
\itemso{Int. J. Math. Educ. Sci. Technol. 46, No. 5, 776-783 (2015).}
\itemab
Summary: This article describes a task leading to work on curve sketching, simultaneous equations and integration to find the area enclosed between two curves. An initial closed question is used to confront students with a provocative answer, which they then explore in a much more open-ended way.
\itemrv{~}
\itemcc{I50}
\itemut{closed questions; integration; inverse problems; open questions; provocative questions; working backwards}
\itemli{doi:10.1080/0020739X.2014.992989}
\end