New York State Education Department
TASC Transition Curriculum: Workshop 7
Designed specifically for math instructors, the seventh workshop of a 15-part series allows time to explore Webb's DOK, ponder open-ended questions, and create lessons to apply what is learned. Teachers craft high-quality math problems...
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.