The class gets to practice being a mathematician in ancient Greece, performing geometric application problems in the way of Eratosthenes. After following the steps of the great mathematicians, they then compare the (surprisingly...

Circles are the foundation of many geometric concepts and extensions - a point that is thoroughly driven home in this extensive unit. Fundamental properties of circles are investigated (including sector area, angle measure, and...

During the Battle of Baltimore in the War of 1812, only 25% of the bombs and rockets fired at Fort McHenry actually reached their target. Using an interactive online simulation, combine your historical study with physics and...

Can you use triangles to create a circle? Learners develop the unit circle using right triangle trigonometry. They then use the unit circle to evaluate common sine and cosine values.

Some genes link to others that have implications for inheritance. A set of resources lead pupils through the history of this discovery. They explain how chromosomes recombine and which parts are more susceptible to this linkage....

Here is a hands-on activity where your class members will discover different ways to measure the government's financial situation and work to add data and redraw graphs in order to calculate the ratio of gross federal debt held by...

Could you determine longitude based on measuring time? Early explorers used a longitude clock to do just that. Scholars learn about early exploration and the importance of the invention of the clock. Then pupils build their own longitude...

The second lesson of a pair about Paul Laurence Dunbar, this plan focuses in particular on his poem, "We Wear the Masks." After a short historical introduction, class members conduct a series or readings, marking up the text and...

Delve into the hard numbers and fundamental concept of income inequality in the United States, using graphs, detailed reading materials, and an organized worksheet.