Provide a historical context for the political unrest between Russia and Ukraine that began in late 2013. Learners review their prior knowledge and chronicle new understandings with a KWL chart, watch a video explaining the Ukrainian...

There is one bridge too many. A video presents the history of the Konigsberg Bridge problem. To solve the problem, Euler invented a new branch of mathematics—and graph theory was born. Using this new branch of mathematics, mathematicians...