National Council of Teachers of Mathematics
The Math Forum: Math World Interactive
MathWorld Interactive "Is a FREE project where students in grades 6 to 8 from around the world work on open-ended problems." Go to the Frequently Asked Questions section for an easy introduction.
Alabama Learning Exchange
Alex: May the Force Be With You!
The goal of this lesson is to provide students with hands on experiences, while learning about magnets. This lesson engages students in experiments which explore magnet use. An emphasis is placed on open-ended questions which encourage...