25 Real-life Math Investigations that Will Astound Teachers and Students!

See the power of mathematics as the danger of short-term loans is exposed in a dramatic fashion. Watch as mathematics shows the futility of depending on corn-based ethanol to lower our dependence on oil imports. Investigate math mistakes in the news media and their potential consequences. These and other fascinating investigations show the ability of mathematics to cut through deception and flawed thinking to expose the truth. Problems are presented at 4 levels of difficulty. Detailed solutions are provided. Grades 4-12.