Mathematicians calculate the area of a tangram piece without using formulas. They use a geometry journal to record activities during this lesson. They make a set of tangrams and use them to compute area. They use...

Young scholars explore the history, culture and currency of the countries they "visit" using the US Mint Coins of the World activity. Students find the answers to a Scavenger Hunt Questions handout for the country being studied. Young...

Students solve time zone problems and chart travel around the world.  In this time zone lesson, students learn about the history of time zones and view a time zone map.  Students use the time zone map to solve time zone...

Fourth graders examine rice farming. In this rice farming activity, 4th graders compute how much of the world's rice the US produces. Students gain information about the history of growing rice and how much rice other countries grow as...

Young scholars study an article on high speed travel.  In this investigative lesson students young scholars read an article, answer questions then work in groups to calculate problems. 

Secondary pupils examine the housing bubble and the 2008 and global economic crisis. Defining GDP and GDP growth, recession, and bubbles, young economists debate what makes a bubble and how housing can be an economic indicator....