\input zb-basic
\input zb-matheduc
\iteman{ZMATH 2007d.00255}
\itemau{Trowell, Sandra Davis; Reynolds, Anne M.}
\itemti{How long is its projection?}
\itemso{Math. Teach. Middle Sch. 9, No. 8, 444-448 (2004).}
\itemab
Summary: This article describes a set of problem-solving tasks that may provide opportunities for students to make sense of proportional reasoning. (Contains 1 figure.) (ERIC)
\itemrv{~}
\itemcc{F83 D83}
\itemut{proportion; problem solving; proportional reasoning; lower secondary; mathematical logic; measurement techniques; teaching activities}
\itemli{}
\end