National Council of Teachers of Mathematics
The Math Forum: Traffic Jam Activity Lesson Plan
There are seven stepping stones and six people - three on the left facing the three on the right. How is it possible to have the three on the left end up on the right, and vice versa, while everyone was at all times standing on a stone...
Alabama Learning Exchange
Alex: Questioning Nasa
In this lesson students will work collaboratively to explore the "Big Question" that led up to this lesson was "Why are there two solid rocket boosters used to launch the space shuttle instead of one with the same amount of fuel?" This...