Increase your sample and increase your accuracy! Scholars complete an activity that compares sample size to variability in results. Learners realize that the greater the sample size, the smaller the range in the distribution of sample...

A timely and provocative lesson inspires high schoolers to tackle the Syrian refugee crisis. They analyze a compelling photo essay before discussing and writing about it.

Fourth graders measure the height and arm span of various classmates. They use a spreadsheet to design a graph that shows the class measurements from tallest to shortest in metric and standard systems.