Is there a correlation between a country's wealth and the extent of its ecological footprint? What exactly constitutes an ecological footprint, and how does one country stack up against the rest? This is a unique lesson to incorporate...

Need lessons on writing and solving one- and two-step linear equations and inequalities, as well as systems of equations? This comprehensive 106-page module from the Georgia Department of Education contains many different lessons for a...

The Olympic Games are indeed a significant and far-reaching cultural component in our international community today, but from where do they originate? Where do our traditions stem from, and how do we choose the sports that constitute...